E Marquis RD over Principal
GoodBlack Hawk County, Iowa · 90-13-01-01 · Structure no. 000000000076431
- Built
- 2011
- 14 years old
- Condition
- Good
- inspected April 2023
- Type
- Channel Beam
- Concrete
- Length
- 33 ft
- 1 main span
- Daily traffic
- 70
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
E Marquis RD over Principal is a concrete channel beam carrying E Marquis RD over Principal in Black Hawk County, Iowa. It was built in 2011, so it is 14 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 70 vehicles a day, projected to reach 70 by 2043. The structure is 33 ft (10.1 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| 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 E Marquis RD over Principal built?
It was built in 2011, making it 14 years old in 2025.
What condition is E Marquis RD over Principal 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 April 2023.
How much traffic does E Marquis RD over Principal carry?
About 70 vehicles per day (2022 count).
How long is E Marquis RD over Principal?
The structure is 33 ft (10.1 m) long with a longest span of 32 ft (9.8 m) and a deck 26 ft wide.
Who owns E Marquis RD over Principal?
It is owned by the County Highway Agency.