Concord ST over Drainage
PoorBuchanan County, Iowa · 000000000 · Structure no. 000000000007070
- Built
- 1900
- 125 years old
- Condition
- Poor
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 53 ft
- 1 main span
- Daily traffic
- 220
- 2022 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Concord ST over Drainage is a steel stringer/multi-beam or girder carrying Concord ST over Drainage in Buchanan County, Iowa. It was built in 1900, so it is 125 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 220 vehicles a day, projected to reach 220 by 2044. The structure is 53 ft (16.2 m) long and 32 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Concord ST over Drainage built?
It was built in 1900, making it 125 years old in 2025.
What condition is Concord ST over Drainage 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 June 2024.
How much traffic does Concord ST over Drainage carry?
About 220 vehicles per day (2022 count).
How long is Concord ST over Drainage?
The structure is 53 ft (16.2 m) long with a longest span of 50 ft (15.2 m) and a deck 32 ft wide.
Who owns Concord ST over Drainage?
It is owned by the City or Municipal Highway Agency.