N Centerpoint over East Blue Creek
PoorLinn County, Iowa · 086083310 · Structure no. 000000000033880
- Built
- 1930
- 95 years old, rebuilt 1956
- Condition
- Poor
- inspected September 2024
- Type
- Girder and Floorbeam System
- Steel Continuous
- Length
- 92 ft
- 2 main spans
- Daily traffic
- 2,583
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
N Centerpoint over East Blue Creek is a steel continuous girder and floorbeam system carrying N Centerpoint over East Blue Creek in Linn County, Iowa. It was built in 1930 and reconstructed in 1956, so it is 95 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 2,583 vehicles a day, roughly 14% of them trucks, projected to reach 2,583 by 2044. The structure is 92 ft (28 m) long and 34 ft wide. If it were closed, the detour would be 5 mi (8 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 | 4 Poor | Advanced section loss, deterioration, 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 N Centerpoint over East Blue Creek built?
It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1956.
What condition is N Centerpoint over East Blue Creek 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 September 2024.
How much traffic does N Centerpoint over East Blue Creek carry?
About 2,583 vehicles per day (2022 count), of which roughly 14% are trucks.
How long is N Centerpoint over East Blue Creek?
The structure is 92 ft (28 m) long with a longest span of 46 ft (14 m) and a deck 34 ft wide.
Who owns N Centerpoint over East Blue Creek?
It is owned by the County Highway Agency.