W Mt Vernon RD over Trib to Cedar River
PoorBlack Hawk County, Iowa · 90-13-28-01-20 · Structure no. 000000000076680
- Built
- 1940
- 85 years old, rebuilt 1986
- Condition
- Poor
- inspected December 2022
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 24 ft
- 1 main span
- Daily traffic
- 25
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
W Mt Vernon RD over Trib to Cedar River is a steel stringer/multi-beam or girder carrying W Mt Vernon RD over Trib to Cedar River in Black Hawk County, Iowa. It was built in 1940 and reconstructed in 1986, so it is 85 years old, older than the Iowa average of 45.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 25 vehicles a day, projected to reach 25 by 2043. The structure is 24 ft (7.3 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was W Mt Vernon RD over Trib to Cedar River built?
It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1986.
What condition is W Mt Vernon RD over Trib to Cedar River in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2022.
How much traffic does W Mt Vernon RD over Trib to Cedar River carry?
About 25 vehicles per day (2022 count).
How long is W Mt Vernon RD over Trib to Cedar River?
The structure is 24 ft (7.3 m) long with a longest span of 23 ft (7 m) and a deck 22 ft wide.
Who owns W Mt Vernon RD over Trib to Cedar River?
It is owned by the County Highway Agency.