Attachment 0004 SHMUT Inspection reports combined.pdf

USDA, FOREST SERVICE

COMPLEX/MA TRAIL BRIDGE INSPECTION FORM

IDENTIFICATION and LOCATION:

Structure Name: SHMUT Lake Loop Trail # 833 – Bridge #1 – 45 ft. FRP

Route:

Lake Loop #833

Milepost:

Coordinates:

N30.522192 W95.546597

Forest:

Sam Houston Ranger District

Feature Crossed:

Gum Branch Creek

BRIDGE RATING SUMMARY:

Date: 11/08/2020 Time Started: Time Completed:

Inspection Team:

Jerry Barrow and Nina Barrow (trail assessment contract)

Weather:

Sunny, cool/warm

Re-rating required based on current inspection? Organization:

Jerry D. Barrow – retired USFS Civil Engineer

YES NO (Circle One) Insp Team Leader:

Signature

WORK ITEMS

DESCRIPTION

PRIORITY* REFERENCE

CODE ** DESCRIPTION COST

N M 45 LF FRP trail bridge was in Good condition. Damaged as of 4.2021. $16,000.00

One FRP hand rail side panel pulled out – I laid it on bridge outriggers so it would not get damaged until repair

Rail heights = 54 inches Clear deck width = 70.5 inches FRP trusses (Fiber Reinforced Polymer) Bridge end object markers and numbers in place.

Sloped bridge ends.

Did quick visual check of nuts and bolts - good Vegetation grown on abutments and creating visual

Issue. Some vines growing in bridge panels. We lopped a lot of vegetation while assessing the bridge

*E=Emergency, C=Critical, N=Non critical, **H=Health & Safety, R= Resource protection, M=Mission

STRUCTURE NAME

Lake Loop Trail 833 – Bridge #1 FEATURE CROSSED

ROUTE Trail #833 MILEPOST DATE 11/08/2020

CONDITION RATING OF EACH MEMBER OR ELEMENT

NA -NOT APPLICABLE

NOB -APPLICABLE, BUT NOT OBSERVED. (Give reason unless obvious)

G = GOOD -ELEMENT IN NEW OR GOOD CONDITION WITH NO REPAIRS NECESSARY.

F = FAIR -ELEMENT IS STILL PERFORMING THE FUNCTION FOR WHICH IT WAS

INTENDED BUT MAY NEED MAINTENANCE.

P = POOR -ELEMENT STILL PERFORMING THE FUNCTION FOR WHICH IT WAS INTENDED

BUT IS IN NEED OF REPAIRS.

C = CRITICAL -ELEMENT IS NOT PERFORMING THE FUNCTION FOR WHICH IT WAS INTENDED

TEM

REFERENCE ADDITIONAL REMARKS

The bridge is good length and is set far enough back onto the banks. The stream channel side-slopes are observed to be stable with some upper scour on both sides. The stream channel shows evidence of high water. This a large watershed.

Barrow rode across this bridge two days later and a complete length of side rail panel had been pulled out. This piece was set aside undamaged. (Update as of 4.9.2021 – notified of tree falling across downstream truss. Must be replaced. Estimate $15,000 (order, truck-transport 45 ft members, jack up bridge, take apart, replace, labor,etc) $1000 for other bridge work.

TRAIL BRIDGE PHOTOS

View looking east View looking west

West bridge end #1 Clear open bridge width is 70” Two object markers and number in place Handrail height is 54” Turf block enforced bridge approaches Vegetation needs to be cut off all bridges

Turf block hardened approaches Northwest side of bridge – 50 ft span

West abutment and rip rap slope protection West Sutter Wall Abutment system – in place

East abutment wall for bridge supports East abutment – view from steam channel

Southwest bridge view – downstream side Downstream side channel - stable

Standard for Bridge End Object Marker Placement

Bridge #1 damaged as of April, 2021 – downstream truss system to be replaced

Structure Name: SHMUT Segment Lake Loop Trail # 833 – Bridge #4 – 20 ft. Timber

N30.517340 W95.553169

Top Upper drainage of an Un-named branch that flows into Gum Branch Creek

Date: 11/10/2020 Time Started: Time Completed:

Sunny, warm

Jerry D. Barrow – retired USFS Civil Engineer

YES NO (Circle One) Insp Team

PRIORITY* REFERENCE

CODE ** DESCRIPTION COST

N M 20.5 ft. Timber trail bridge in poor to fair condition structurely. $300

Cannot see timber sills Clear deck width = 65 inches Rail heights = 41 inches, no mid rail as per standards Two stringers @ 12” x 12” x 20 ft. – built Feb.1999 Has two bridge end object markers per end and Br # This bridge would be a low priority for replacement for several more years because even if it failed it would not pose much danger for riding across due to 1 ft height above the ground.

Lake Loop Trail – Bridge #4 FEATURE CROSSED

Un-named Branch

ROUTE Trail #833 MILEPOST DATE 11/10/2020

NOB -APPLICABLE, BUT NOT OBSERVED. (Give reason unless obvious)

G = GOOD -ELEMENT IN NEW OR GOOD CONDITION WITH NO REPAIRS NECESSARY.

F = FAIR -ELEMENT IS STILL PERFORMING THE FUNCTION FOR WHICH IT WAS

INTENDED BUT MAY NEED MAINTENANCE.

P = POOR -ELEMENT STILL PERFORMING THE FUNCTION FOR WHICH IT WAS INTENDED

Clean deck, add mid rail

No backwall plank on bridge ends. This is a square end bridge.

Note: When this bridge is considered to be replaced, the crossing could be moved higher up into the drainage – approximately 650 LF of re-route and new construction and an arch culvert installed to cross the small drainage. Several hundred feet of existing trail would be obliterated

View looking west at east bridge end View looking east at west bridge end

Two object markers per bridge end Clear open bridge width is 65” Turf block harden approaches Handrail height is 41”, without mid rail

Downstream in drainage of bridge 1.5 to 2” gaps deck boards Stable on banks No backwall plank

Stringers are 12”x12”x20’ Cannot see sill condition Channel stable

West end bridge slope and sill East end bridge slope and sill

Bridge 4 inspection March 2008 – water in drainage Crew + date of the bridge construction

Structure Name: SHMUT Segment Lake Loop Trail # 833 – Bridge #11 – 30 ft. Timber

N30.544053 W95.591345

Un-named slot drainage

Date: 11/09/2020 Time Started: Time Completed:

Jerry D. Barrow – retired USFS Civil Engineer

YES NO (Circle One) Insp Team

PRIORITY* REFERENCE

CODE ** DESCRIPTION COST

N M 30 LF Timber trail bridge in fair condition structurely.

Cannot see timber sills Clear deck width = 71 inches Rail heights = 36 inches, no mid rail, slope rail ends Three stringers @ 6” x 12” x 30 ft.

No bridge end object markers, one bridge number 11 Deck board gap is 2 inches – boards 2”x10”

Clean deck and make handrail repairs $500

Lake Loop Trail – Bridge #11 FEATURE CROSSED

ROUTE Trail #833 MILEPOST DATE 11/09/2020

G = GOOD -ELEMENT IN NEW OR GOOD CONDITION WITH NO REPAIRS NECESSARY.

F = FAIR -ELEMENT IS STILL PERFORMING THE FUNCTION FOR WHICH IT WAS

INTENDED BUT MAY NEED MAINTENANCE.

P = POOR -ELEMENT STILL PERFORMING THE FUNCTION FOR WHICH IT WAS INTENDED

The stream channel indicates fast draining water. Erosion on north bank under bridge. Trees getting undermined.

The superstructure (stringers and deck) are ok for now, 3 stringers of 6”x12”x30 ‘.

No backwall plank on bridge ends. Monitor erosion under bridge banks.

This bridge probably should be considered for replacement in next 5 years.

View looking north -south bridge end View looking at north bridge end and south

No object markers, no midrails, no backwall planks Clear open bridge width is 71” Handrail height is 35”

Eroding banks under north end Eroding banks under south end – note anchor cable . Three – 6”x12”x30’ stringers

Downstream of bridge on north bank Upstream of bridge on north bank

Standard Drawing for Bridge Ends Object Markers Placement

Structure Name: SHMUT Zebra Trail # 830 – 50 ft. FRP Bridge #13

Zebra #830

N 30.551173 W 95.589563

Smith Branch Creek

Date: 11/06/2020 Time Started: Time Completed:

Sunny, cool/warm

Jerry D. Barrow – retired USFS Civil Engineer

YES NO (Circle One) Insp Team

PRIORITY* REFERENCE

CODE ** DESCRIPTION COST

N M 50 LF FRP trail bridge in Good condition. $4,000.00 One FRP hand rail side panel screw pulled out - replace Rail heights = 54.5 inches Clear deck width = 70 inches FRP trusses (Fiber Reinforced Polymer)

No bridge end object markers. Two are required per bridge end. There is wood sign bridge number on

Sloped bridge ends.

Zebra Trail 830 – Bridge #13 FEATURE CROSSED

ROUTE Trail #813 MILEPOST DATE 11/06/2020

NOB -APPLICABLE, BUT NOT OBSERVED. (Give reason unless obvious)

G = GOOD -ELEMENT IN NEW OR GOOD CONDITION WITH NO REPAIRS NECESSARY.

F = FAIR -ELEMENT IS STILL PERFORMING THE FUNCTION FOR WHICH IT WAS

INTENDED BUT MAY NEED MAINTENANCE.

P = POOR -ELEMENT STILL PERFORMING THE FUNCTION FOR WHICH IT WAS INTENDED

The bridge is good length and is set far enough back onto the banks. The stream channel side-slopes are observed to be stable with some upper scour on the north side.

The steel soldier piles and caps of the abutments have some paint flaking. Recommend wire brushing and recoat exposed surfaces with primer+rustoleum enamel paint. Clean bridge and deck. Should consider adding more riprap on scour area of north bridge end channel.

View looking north View looking north

No end object markers. Clear open bridge width is 70” Two object markers per side required Turf block enforced bridge approaches

South abutment – Sutter Wall Northwest side of bridge – 50 ft span Gap in boards, some settlement– filter fabric On downsteam side of bridge in wall to contain the backfill drainage stone

Missing rail screw from FRP truss Abutment – east view looking upstream – rip rap in place

Paint flaking on metal South abutment North end abutment

Southeast bridge end approach retaining wall Northwest abutment – extra plastic board

North end -west side bridge approach North abutment/channel. Some scour.

Add some additional rip rap

Looking across channel Bridge profile view - downstream to north end abutment and viewing upstream

Standard Drawing for Bridge Ends Object Markers Placement

COMPLEX/MAJOR - MINOR TRAIL BRIDGE INSPECTION FORM

Structure Name: SHMUT Segment Zebra Trail # 830 – 11 ft. Timber Bridge #14

Zebra #830

N 30.554538 W95.590337

Un-named small drainage

Date: 11/06/2020 Time Started: Time Completed:

Jerry D. Barrow – retired USFS Civil Engineer

YES NO (Circle One) Insp Team

PRIORITY* REFERENCE

CODE ** DESCRIPTION COST

N M 11 ft. minor timber trail bridge in Fair condition. One foot height off ground in center. Rarely any water. $500.00

Cannot see timber sills, appear ok.

Clear deck width = 62 inches Timber handrails with no midrail.

One bridge end object marker. Two are required per bridge end.

Do minor maintenance and get another 5 or more years out of the existing structure. Replace with plastic arch culvert or 16 ft. timber structure in future

No backwall plank was installed on bridge ends.

Zebra Trail – Bridge #14 FEATURE CROSSED

ROUTE Trail #830 MILEPOST DATE 11/06/2020

G = GOOD -ELEMENT IN NEW OR GOOD CONDITION WITH NO REPAIRS NECESSARY.

F = FAIR -ELEMENT IS STILL PERFORMING THE FUNCTION FOR WHICH IT WAS

INTENDED BUT MAY NEED MAINTENANCE.

P = POOR -ELEMENT STILL PERFORMING THE FUNCTION FOR WHICH IT WAS INTENDED

The bridge appears to functional for location since so low to ground. When replace, recommend at least 16 ft. structure. May be able to use a medium size arch culvert(AC) there.

Install bridge object markers and clean deck. Consider a 500 ft reroute west around with AC.

Do basic maintenance, clean, add object markers and fix brokern curb rail and add mid-rail extend life for another 3-5 years.

View looking east on the west end View west on the east end

No object marker for bridge Clear open bridge width is 62” Two object markers per side required Need a mid-rail.

Approach to bridge from west East end stringer and sill Repair/reset turf block

Curbing timber broken West end bridge stringer and sill

Bridge #14 – Inspected by Barrow in March, 2008

If and when the Bridge #14 is replaced, it might be possible to reroute the trail to the west, construct approximately 500 ft. of new trail to tie into the existing Zebra and by-pass the drain higher up the slope. This might only require a small plastic arch culvert to cross the drainage.

Structure Name: SHMUT Segment Northwest Trail # 835 – Bridge #21 – 12 ft. Timber

Northwest #835

N30.553566 W95.559960

Date: 11/05/2020 Time Started: Time Completed:

Jerry D. Barrow – retired USFS Civil Engineer

YES NO (Circle One) Insp Team

PRIORITY* REFERENCE

CODE ** DESCRIPTION COST

N M 12 LF minor Timber trail bridge in Fair condition. One foot height off ground in center. Rarely any water. $200.00

Cannot see timber sills, appear ok.

Clear deck width = 60 inches Timber curbs

Do minor maintenance and get another 5 or more years out of the existing structure. Replace with plastic arch culvert. …..However, the south approach curves directly on bridge – dangerous for motorcycle on a damp, slick deck. Flagged short approach reroute to make alignment straighter for motorcycles.

Northwest Trail – Bridge #21 FEATURE CROSSED

ROUTE Trail #835 MILEPOST DATE 11/05/2020

NOB -APPLICABLE, BUT NOT OBSERVED. (Give reason unless obvious)

G = GOOD -ELEMENT IN NEW OR GOOD CONDITION WITH NO REPAIRS NECESSARY.

F = FAIR -ELEMENT IS STILL PERFORMING THE FUNCTION FOR WHICH IT WAS

INTENDED BUT MAY NEED MAINTENANCE.

P = POOR -ELEMENT STILL PERFORMING THE FUNCTION FOR WHICH IT WAS INTENDED

The bridge appears to be of adequate length and is set far enough back onto the banks.

The deck boards are spaced on average 2 inch gaps. Bridge superstructure (stringers and deck) are solid. Reset the turf block on the approach ends as necessary to correct those out of position and create a safety issue for motorcycles. Clear vegetation so riders can see object marker post at structure ends.

View looking north View looking south on north end

One object marker for bridge Clear open bridge width is 60” Two object markers per side required

Minor bridge profile. Structure adequate. When replace, Need to repair minor hole at block use a small plastic arch culvert in this location.

Recommend straightening 90 degree Turn onto the bridge, safety for Mountain bikes and motorcycles

Structure Name: SHMUT Segment Northwest Trail # 835 – Bridge #22 – 14.5 ft. Timber

Northwest #835

N30.550887 W95.559497

Date: 11/05/2020 Time Started: Time Completed:

Jerry D. Barrow – retired USFS Civil Engineer

YES NO (Circle One) Insp Team

PRIORITY* REFERENCE

CODE ** DESCRIPTION COST

N M 14.5 LF minor Timber trail bridge in Fair condition. One foot height off ground in center. Rarely any water. $500.00

Cannot see timber sills, appear ok.

Clear deck width = 60 inches Timber curbs, should be raised 2-3 inches

Do minor maintenance and get another 5 years out of the existing structure. Replace with plastic arch culvert in the future when replaced.

Repair displaced turf blocks at approaches. Reset as necessary in recompacted fill.

Northwest Trail – Bridge #22 FEATURE CROSSED

NOB -APPLICABLE, BUT NOT OBSERVED. (Give reason unless obvious)

G = GOOD -ELEMENT IN NEW OR GOOD CONDITION WITH NO REPAIRS NECESSARY.

F = FAIR -ELEMENT IS STILL PERFORMING THE FUNCTION FOR WHICH IT WAS

INTENDED BUT MAY NEED MAINTENANCE.

P = POOR -ELEMENT STILL PERFORMING THE FUNCTION FOR WHICH IT WAS INTENDED

The bridge appears to be of adequate length and is set far enough back onto the banks.

The deck boards are spaced on average 2 inch gaps.

Bridge superstructure (stringers and deck) are solid, but the handrails are not to standard.

If this bridge is to be replaced in future – consider to replace with an arch culvert.

View looking north View looking south on north end

One object marker for bridge Clear open bridge width is 60” Two object markers per side required Need mid-rail on handrails

South structure end – turf block and approach Need to add, reset turf block at N approach need to be filled, raised and reset blocks

Minor bridge profile – need midrail, lift curb 2-3 inches for debris to blow out.