County RD NW 1270 over Branch
PoorPosted for loadSt. Clair County, Missouri · S 6 T 39 N R 27 W · Structure no. 15360
- Built
- 1930
- 95 years old, rebuilt 1970
- Condition
- Poor
- inspected December 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 32 ft
- 1 main span
- Daily traffic
- 35
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
County RD NW 1270 over Branch is a steel stringer/multi-beam or girder carrying County RD NW 1270 over Branch in St. Clair County, Missouri. It was built in 1930 and reconstructed in 1970, so it is 95 years old, older than the Missouri average of 45.1 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 35 vehicles a day, roughly 10% of them trucks, projected to reach 42 by 2043. The structure is 32 ft (9.8 m) long and 14 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 4 Poor | Advanced section loss, deterioration, 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 County RD NW 1270 over Branch built?
It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1970.
What condition is County RD NW 1270 over 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 December 2023.
How much traffic does County RD NW 1270 over Branch carry?
About 35 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is County RD NW 1270 over Branch?
The structure is 32 ft (9.8 m) long with a longest span of 31 ft (9.4 m) and a deck 14 ft wide.
Who owns County RD NW 1270 over Branch?
It is owned by the County Highway Agency.