310th Street over Mid Tarkio Creek
PoorPage County, Iowa · 067392701 · Structure no. 000000000039040
- Built
- 1968
- 57 years old
- Condition
- Poor
- inspected October 2022
- Type
- Slab
- Concrete Continuous
- Length
- 113 ft
- 3 main spans
- Daily traffic
- 329
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
310th Street over Mid Tarkio Creek is a concrete continuous slab carrying 310th Street over Mid Tarkio Creek 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 329 vehicles a day, roughly 25% of them trucks, projected to reach 329 by 2042. The structure is 113 ft (34.4 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 Mid Tarkio Creek built?
It was built in 1968, making it 57 years old in 2025.
What condition is 310th Street over Mid Tarkio Creek in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2022.
How much traffic does 310th Street over Mid Tarkio Creek carry?
About 329 vehicles per day (2022 count), of which roughly 25% are trucks.
How long is 310th Street over Mid Tarkio Creek?
The structure is 113 ft (34.4 m) long with a longest span of 43 ft (13.1 m) and a deck 33 ft wide.
Who owns 310th Street over Mid Tarkio Creek?
It is owned by the County Highway Agency.