County RD NW 1401 over Trib Campbell Br
FairPosted for loadSt. Clair County, Missouri · S 5 T 38 N R 28 W · Structure no. 12312
- Built
- 1930
- 95 years old, rebuilt 1972
- Condition
- Fair
- inspected December 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 30 ft
- 1 main span
- Daily traffic
- 40
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
County RD NW 1401 over Trib Campbell Br is a steel stringer/multi-beam or girder carrying County RD NW 1401 over Trib Campbell Br in St. Clair County, Missouri. It was built in 1930 and reconstructed in 1972, 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 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 30 ft (9.1 m) long and 20 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 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 1401 over Trib Campbell Br built?
It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1972.
What condition is County RD NW 1401 over Trib Campbell Br 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 1401 over Trib Campbell Br carry?
About 40 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is County RD NW 1401 over Trib Campbell Br?
The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 20 ft wide.
Who owns County RD NW 1401 over Trib Campbell Br?
It is owned by the County Highway Agency.