Ia 183 over Cobb Creek
GoodHarrison County, Iowa · 0.5 Mi. N SR F20 · Structure no. 000000000027951
- Built
- 2017
- 8 years old
- Condition
- Good
- inspected December 2023
- Type
- Slab
- Concrete Continuous
- Length
- 151 ft
- 3 main spans
- Daily traffic
- 730
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Ia 183 over Cobb Creek is a concrete continuous slab carrying Ia 183 over Cobb Creek in Harrison County, Iowa. It was built in 2017, so it is 8 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 730 vehicles a day, roughly 14% of them trucks, projected to reach 730 by 2043. The structure is 151 ft (46 m) long and 43 ft wide. If it were closed, the detour would be 26.1 mi (42 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ia 183 over Cobb Creek built?
It was built in 2017, making it 8 years old in 2025.
What condition is Ia 183 over Cobb 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 December 2023.
How much traffic does Ia 183 over Cobb Creek carry?
About 730 vehicles per day (2022 count), of which roughly 14% are trucks.
How long is Ia 183 over Cobb Creek?
The structure is 151 ft (46 m) long with a longest span of 59 ft (18 m) and a deck 43 ft wide.
Who owns Ia 183 over Cobb Creek?
It is owned by the State Highway Agency.