N77 Union Ave over Cipra Branch
PoorPosted for loadAdams County, Iowa · 072321002 · Structure no. 000000000059440
- Built
- 1900
- 125 years old, rebuilt 1978
- Condition
- Poor
- inspected February 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 51 ft
- 1 main span
- Daily traffic
- 71
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
N77 Union Ave over Cipra Branch is a steel stringer/multi-beam or girder carrying N77 Union Ave over Cipra Branch in Adams County, Iowa. It was built in 1900 and reconstructed in 1978, 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. Its operating status is: posted for load restriction.
It carries about 71 vehicles a day, projected to reach 71 by 2044. The structure is 51 ft (15.5 m) long and 24 ft wide. If it were closed, the detour would be 8.1 mi (13 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, 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 N77 Union Ave over Cipra Branch built?
It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1978.
What condition is N77 Union Ave over Cipra Branch 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 February 2024.
How much traffic does N77 Union Ave over Cipra Branch carry?
About 71 vehicles per day (2022 count).
How long is N77 Union Ave over Cipra Branch?
The structure is 51 ft (15.5 m) long with a longest span of 49 ft (14.9 m) and a deck 24 ft wide.
Who owns N77 Union Ave over Cipra Branch?
It is owned by the County Highway Agency.