Coggon RD over Trib. to Wapsi River
GoodLinn County, Iowa · 086070305 · Structure no. 000000000223165
- Built
- 1974
- 51 years old
- Condition
- Good
- inspected September 2024
- Type
- Culvert
- Steel
- Length
- 30 ft
- 1 main span
- Daily traffic
- 992
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Coggon RD over Trib. to Wapsi River is a steel culvert carrying Coggon RD over Trib. to Wapsi River in Linn County, Iowa. It was built in 1974, so it is 51 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 992 vehicles a day, roughly 3% of them trucks, projected to reach 992 by 2044. The structure is 30 ft (9.1 m) long.
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 | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Coggon RD over Trib. to Wapsi River built?
It was built in 1974, making it 51 years old in 2025.
What condition is Coggon RD over Trib. to Wapsi 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 September 2024.
How much traffic does Coggon RD over Trib. to Wapsi River carry?
About 992 vehicles per day (2022 count), of which roughly 3% are trucks.
How long is Coggon RD over Trib. to Wapsi River?
The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m).
Who owns Coggon RD over Trib. to Wapsi River?
It is owned by the County Highway Agency.