Adams-Montgom. over Sin Creek
PoorAdams County, Iowa · 073351904 · Structure no. 000000000362870
- Built
- 1979
- 46 years old
- Condition
- Poor
- inspected January 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 57 ft
- 1 main span
- Daily traffic
- 5
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Adams-Montgom. over Sin Creek is a prestressed concrete stringer/multi-beam or girder carrying Adams-Montgom. over Sin Creek in Adams County, Iowa. It was built in 1979, so it is 46 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 5 vehicles a day, projected to reach 5 by 2044. The structure is 57 ft (17.4 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
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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Adams-Montgom. over Sin Creek built?
It was built in 1979, making it 46 years old in 2025.
What condition is Adams-Montgom. over Sin 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 January 2024.
How much traffic does Adams-Montgom. over Sin Creek carry?
About 5 vehicles per day (2022 count).
How long is Adams-Montgom. over Sin Creek?
The structure is 57 ft (17.4 m) long with a longest span of 55 ft (16.8 m) and a deck 26 ft wide.
Who owns Adams-Montgom. over Sin Creek?
It is owned by the County Highway Agency.