E-50 (140th St) over So Branch Elk River
GoodClinton County, Iowa · 083E62901 · Structure no. 000000000125851
- Built
- 1979
- 46 years old
- Condition
- Good
- inspected January 2025
- Type
- Slab
- Concrete Continuous
- Length
- 90 ft
- 3 main spans
- Daily traffic
- 860
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
E-50 (140th St) over So Branch Elk River is a concrete continuous slab carrying E-50 (140th St) over So Branch Elk River in Clinton 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 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 860 vehicles a day, roughly 9% of them trucks, projected to reach 860 by 2045. The structure is 90 ft (27.4 m) long and 32 ft wide.
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 | 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 E-50 (140th St) over So Branch Elk River built?
It was built in 1979, making it 46 years old in 2025.
What condition is E-50 (140th St) over So Branch Elk River 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 January 2025.
How much traffic does E-50 (140th St) over So Branch Elk River carry?
About 860 vehicles per day (2022 count), of which roughly 9% are trucks.
How long is E-50 (140th St) over So Branch Elk River?
The structure is 90 ft (27.4 m) long with a longest span of 34 ft (10.4 m) and a deck 32 ft wide.
Who owns E-50 (140th St) over So Branch Elk River?
It is owned by the County Highway Agency.