Richardson Highway over Munson Slough
FairFairbanks North Star Borough, Alaska · Mile Point 326.1 · Structure no. 0529
- Built
- 1967
- 58 years old
- Condition
- Fair
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 63 ft
- 1 main span
- Daily traffic
- 930
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Richardson Highway over Munson Slough is a steel stringer/multi-beam or girder carrying Richardson Highway over Munson Slough in Fairbanks North Star Borough, Alaska. It was built in 1967, so it is 58 years old, older than the Alaska average of 35.9 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 930 vehicles a day, roughly 14% of them trucks, projected to reach 1,110 by 2039. The structure is 63 ft (19.2 m) long and 43 ft wide. If it were closed, the detour would be 123.7 mi (199 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Richardson Highway over Munson Slough built?
It was built in 1967, making it 58 years old in 2025.
What condition is Richardson Highway over Munson Slough in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.
How much traffic does Richardson Highway over Munson Slough carry?
About 930 vehicles per day (2020 count), of which roughly 14% are trucks.
How long is Richardson Highway over Munson Slough?
The structure is 63 ft (19.2 m) long with a longest span of 63 ft (19.2 m) and a deck 43 ft wide.
Who owns Richardson Highway over Munson Slough?
It is owned by the State Highway Agency.