Ia 37 over Beaver Creek
FairMonona County, Iowa · 4.4 Mi. E of Ia 175 · Structure no. 000000000036660
- Built
- 1942
- 83 years old, rebuilt 1986
- Condition
- Fair
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 212 ft
- 3 main spans
- Daily traffic
- 780
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Ia 37 over Beaver Creek is a steel continuous stringer/multi-beam or girder carrying Ia 37 over Beaver Creek in Monona County, Iowa. It was built in 1942 and reconstructed in 1986, so it is 83 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 780 vehicles a day, roughly 21% of them trucks, projected to reach 780 by 2042. The structure is 212 ft (64.6 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ia 37 over Beaver Creek built?
It was built in 1942, making it 83 years old in 2025. It was reconstructed in 1986.
What condition is Ia 37 over Beaver Creek 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 June 2023.
How much traffic does Ia 37 over Beaver Creek carry?
About 780 vehicles per day (2022 count), of which roughly 21% are trucks.
How long is Ia 37 over Beaver Creek?
The structure is 212 ft (64.6 m) long with a longest span of 82 ft (25 m) and a deck 28 ft wide.
Who owns Ia 37 over Beaver Creek?
It is owned by the State Highway Agency.