Irr:main Street over Big Contact Creek

North Slope Borough, Alaska · rated Good in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

• Irr:main Street over Big Contact Creek in North Slope Borough, Alaska, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
• Its lowest-rated component is the deck, rated 9 (excellent condition) on the 0-9 scale.
• It was built in 2013, making it 12 years old at the 2025 inventory.
• It carries about 50 vehicles a day (traffic count year 2018).
• Its listed owner is a city or municipal highway agency.
• It is one of 10 of the 16 inventoried bridges in North Slope Borough rated good (62.5%); 1 (6.2%) are rated poor.
• Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
• Its condition class and component ratings are unchanged from the 2024 inventory.
• Its most recent inspection on record is dated August 2024, on a 24-month routine inspection cycle.
• A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

View this bridge on a map → (68.14312, -151.73327)

Component ratings

Bridge details

Source: FHWA National Bridge Inventory, 2025 data as reported by the Alaska department of transportation.

Busiest bridges in North Slope Borough

All bridges nearby: North Slope Borough, AK bridge conditions · every bridge in North Slope Borough · Alaska bridges.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.