W Marion ST over Maquoketa River
PoorDelaware County, Iowa · 089052905 · Structure no. 000000000007546
- Built
- 1980
- 45 years old
- Condition
- Poor
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 212 ft
- 3 main spans
- Daily traffic
- 6,294
- 2022 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
W Marion ST over Maquoketa River is a prestressed concrete stringer/multi-beam or girder carrying W Marion ST over Maquoketa River in Delaware County, Iowa. It was built in 1980, so it is 45 years old, younger 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 6,294 vehicles a day, projected to reach 6,294 by 2043. The structure is 212 ft (64.6 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, 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 Marion ST over Maquoketa River built?
It was built in 1980, making it 45 years old in 2025.
What condition is W Marion ST over Maquoketa 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 May 2023.
How much traffic does W Marion ST over Maquoketa River carry?
About 6,294 vehicles per day (2022 count).
How long is W Marion ST over Maquoketa River?
The structure is 212 ft (64.6 m) long with a longest span of 76 ft (23.2 m) and a deck 45 ft wide.
Who owns W Marion ST over Maquoketa River?
It is owned by the City or Municipal Highway Agency.