County RD NW 1270 over Coopers CR
FairPosted for loadSt. Clair County, Missouri · S 5 T 39 N R 26 W · Structure no. 15475
- Built
- 1916
- 109 years old, rebuilt 1995
- Condition
- Fair
- inspected December 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 64 ft
- 2 main spans
- Daily traffic
- 40
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
County RD NW 1270 over Coopers CR is a steel stringer/multi-beam or girder carrying County RD NW 1270 over Coopers CR in St. Clair County, Missouri. It was built in 1916 and reconstructed in 1995, so it is 109 years old, older than the Missouri average of 45.1 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.
It carries about 40 vehicles a day, roughly 10% of them trucks, projected to reach 48 by 2043. The structure is 64 ft (19.5 m) long and 15 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 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 County RD NW 1270 over Coopers CR built?
It was built in 1916, making it 109 years old in 2025. It was reconstructed in 1995.
What condition is County RD NW 1270 over Coopers CR in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2023.
How much traffic does County RD NW 1270 over Coopers CR carry?
About 40 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is County RD NW 1270 over Coopers CR?
The structure is 64 ft (19.5 m) long with a longest span of 32 ft (9.8 m) and a deck 15 ft wide.
Who owns County RD NW 1270 over Coopers CR?
It is owned by the County Highway Agency and maintained by the Other Local Agency.