310th Street over West Mill Creek
PoorPage County, Iowa · 067382501 · Structure no. 000000000039061
- Built
- 1979
- 46 years old
- Condition
- Poor
- inspected October 2022
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 163 ft
- 3 main spans
- Daily traffic
- 309
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
310th Street over West Mill Creek is a prestressed concrete stringer/multi-beam or girder carrying 310th Street over West Mill Creek in Page County, Iowa. It was built in 1979, so it is 46 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 309 vehicles a day, roughly 15% of them trucks, projected to reach 309 by 2042. The structure is 163 ft (49.7 m) long and 33 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 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 West Mill Creek built?
It was built in 1979, making it 46 years old in 2025.
What condition is 310th Street over West Mill 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 West Mill Creek carry?
About 309 vehicles per day (2022 count), of which roughly 15% are trucks.
How long is 310th Street over West Mill Creek?
The structure is 163 ft (49.7 m) long with a longest span of 73 ft (22.3 m) and a deck 33 ft wide.
Who owns 310th Street over West Mill Creek?
It is owned by the County Highway Agency.