South Access Route over Kivalina Lagoon Channel
Northwest Arctic Borough, Alaska · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- South Access Route over Kivalina Lagoon Channel in Northwest Arctic Borough, Alaska, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 8 (very good condition) on the 0-9 scale.
- It was built in 2020, making it 5 years old at the 2025 inventory.
- It carries about 18 vehicles a day (traffic count year 2019).
- Its listed owner is the state highway agency.
- It is one of 2 of the 7 inventoried bridges in Northwest Arctic Borough rated good (28.6%); 1 (14.3%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its class is unchanged from 2024 (good), but component ratings moved: substructure 9 to 8.
- 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 → (67.73287, -164.53596)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 9 | 9 | Excellent condition |
| Superstructure | 9 | 9 | Excellent condition |
| Substructure | 9 | 8 | Very good condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 187 ft |
| Location | Kivalina |
| NBI structure number | 2344 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | August 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Alaska department of transportation.
Busiest bridges in Northwest Arctic Borough
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ted Stevens Way over Kotzebue Slough | 1985 | 320 | Fair |
| Ted Stevens Way over Swan Lake | 1985 | 320 | Fair |
| Ted Stevens Way over June Creek Culverts | 2010 | 100 | Poor |
| Ted Stevens Way over June Creek Culvert | 2010 | 100 | Fair |
| Irr:deering Road over Smith Creek | 1979 | 18 | Fair |
| Irr Bia Rte 2800 over Dahl Creek | 2010 | 5 | Good |
All bridges nearby: Northwest Arctic Borough, AK bridge conditions · every bridge in Northwest Arctic Borough · Alaska bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.