Irr:northway Road over Moose Creek
Southeast Fairbanks Census Area, Alaska · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Irr:northway Road over Moose Creek in Southeast Fairbanks Census Area, Alaska, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
- It was built in 2002, making it 23 years old at the 2025 inventory.
- It carries about 170 vehicles a day (traffic count year 2020).
- Its listed owner is the state highway agency.
- It is one of 23 of the 64 inventoried bridges in Southeast Fairbanks Census Area rated good (35.9%); 7 (10.9%) 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: deck 9 to 8, substructure 9 to 8.
- Its most recent inspection on record is dated July 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 → (62.96852, -141.90403)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 9 | 8 | Very good condition |
| Superstructure | 9 | 9 | Excellent condition |
| Substructure | 9 | 8 | Very good condition |
Bridge details
| Structure | Prestressed concrete tee beam |
| Length | about 80 ft |
| Location | Mile Point 5.5 |
| NBI structure number | 1365 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | July 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 Southeast Fairbanks Census Area
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Richardson Highway over Tanana River Big Delta | 1966 | 1,990 | Fair |
| Richardson Highway over Jarvis Creek | 2015 | 1,880 | Good |
| Delta-nistler Road over Jarvis Creek Overflow #1 | 1996 | 1,250 | Good |
| Delta-nistler Road over Jarvis Creek Overflow #2 | 1996 | 1,250 | Good |
| Delta-nistler Road over Jarvis Creek Overflow #3 | 1996 | 1,250 | Good |
| Richardson Highway over Shaw Creek | 2011 | 1,000 | Good |
All bridges nearby: Southeast Fairbanks Census Area, AK bridge conditions · every bridge in Southeast Fairbanks Census Area · Alaska bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.