100th St. over N Branch of Elk River
GoodClinton County, Iowa · 083E60405 · Structure no. 000000000125611
- Built
- 1996
- 29 years old
- Condition
- Good
- inspected March 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 56 ft
- 1 main span
- Daily traffic
- 59
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
100th St. over N Branch of Elk River is a prestressed concrete tee beam carrying 100th St. over N Branch of Elk River in Clinton County, Iowa. It was built in 1996, so it is 29 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 59 vehicles a day, projected to reach 59 by 2044. The structure is 56 ft (17.1 m) long and 24 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 100th St. over N Branch of Elk River built?
It was built in 1996, making it 29 years old in 2025.
What condition is 100th St. over N Branch of 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 March 2024.
How much traffic does 100th St. over N Branch of Elk River carry?
About 59 vehicles per day (2022 count).
How long is 100th St. over N Branch of Elk River?
The structure is 56 ft (17.1 m) long with a longest span of 55 ft (16.8 m) and a deck 24 ft wide.
Who owns 100th St. over N Branch of Elk River?
It is owned by the County Highway Agency.