26-21-214666 ARRC As-Needed Large Bridge Design & Inspection

The Alaska Railroad Corporation is requesting proposals for as-needed large bridge inspection and load rating services for three bridges (264.1 Little Su, 284.2 Hurricane, and 413.7 Mears), with sealed proposals due June 18, 2026 at 3:00 p.m. local time at the ARRC office in Anchorage.

The scope encompasses inspection and load rating services supporting rehabilitation projects at three ARRC bridges. Bridge 284.2 (Hurricane Gulch, milepost 284.2) is a 914-foot steel arch structure completed in 1921; rehabilitation includes arch span repair, bearing replacement, concrete spall repair, inspection platform installation, pier stabilization, and erosion mitigation, with construction scheduled third quarter 2025 through third quarter 2026 and estimated project cost of $23.0 million (80% Federal Transit Administration formula funding, 20% ARRC local match). Bridge 413.7 (Mears, milepost 413.7) is a 1,298-foot, 12-span thru truss over the Tanana River in Nenana; rehabilitation includes thru truss and deck repairs, bearing realignment or replacement, approach-span shortening, pier 12 stabilization, and concrete spall repair, with construction scheduled third quarter 2025 through third quarter 2026 and estimated project cost of $62 million (80% FTA formula funding, 20% ARRC match). Bridge 264.1 (Little Su) rehabilitation details are contained in attached fact sheets. All three projects are currently 30% designed and targeting construction completion by end of 2026.

Proposers must submit one original hard copy and one electronic copy on USB flash drive, with envelopes plainly marked with the proposer's name, RFP number 26-21-214666, scheduled receipt date and time, and the designation "Sealed Offer: Large Bridge Inspection/Rating." The source does not specify contract value, term, evaluation criteria, incumbent contractor, or pre-proposal meeting dates. Detailed technical requirements and evaluation criteria are contained in the complete RFP and project fact sheets.