NB US 151 over Big Creek
GoodLinn County, Iowa · 1.9 Mi. N of Jct. SR X20 · Structure no. 000000000601145
- Built
- 1992
- 33 years old
- Condition
- Good
- inspected September 2022
- Type
- Culvert
- Concrete Continuous
- Length
- 21 ft
- 2 main spans
- Daily traffic
- 6,500
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
NB US 151 over Big Creek is a concrete continuous culvert carrying NB US 151 over Big Creek in Linn County, Iowa. It was built in 1992, so it is 33 years old, younger than the Iowa average of 45.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 6,500 vehicles a day, roughly 13% of them trucks, projected to reach 6,500 by 2042. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was NB US 151 over Big Creek built?
It was built in 1992, making it 33 years old in 2025.
What condition is NB US 151 over Big Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2022.
How much traffic does NB US 151 over Big Creek carry?
About 6,500 vehicles per day (2022 count), of which roughly 13% are trucks.
How long is NB US 151 over Big Creek?
The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).
Who owns NB US 151 over Big Creek?
It is owned by the State Highway Agency.