310th Street over Tarkio River
FairPage County, Iowa · 067382901 · Structure no. 000000000039050
- Built
- 1968
- 57 years old
- Condition
- Fair
- inspected October 2022
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 229 ft
- 3 main spans
- Daily traffic
- 210
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
310th Street over Tarkio River is a prestressed concrete stringer/multi-beam or girder carrying 310th Street over Tarkio River in Page County, Iowa. It was built in 1968, so it is 57 years old, older than the Iowa average of 45.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 210 vehicles a day, roughly 31% of them trucks, projected to reach 210 by 2042. The structure is 229 ft (69.8 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 310th Street over Tarkio River built?
It was built in 1968, making it 57 years old in 2025.
What condition is 310th Street over Tarkio River 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 October 2022.
How much traffic does 310th Street over Tarkio River carry?
About 210 vehicles per day (2022 count), of which roughly 31% are trucks.
How long is 310th Street over Tarkio River?
The structure is 229 ft (69.8 m) long with a longest span of 80 ft (24.4 m) and a deck 33 ft wide.
Who owns 310th Street over Tarkio River?
It is owned by the County Highway Agency.