Mo 13 S over Otter CR
GoodSt. Clair County, Missouri · S 2 T 39 N R 26 W · Structure no. 11915
- Built
- 1999
- 26 years old
- Condition
- Good
- inspected September 2024
- Type
- Tee Beam
- Prestressed Concrete Continuous
- Length
- 95 ft
- 3 main spans
- Daily traffic
- 7,915
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Mo 13 S over Otter CR is a prestressed concrete continuous tee beam carrying Mo 13 S over Otter CR in St. Clair County, Missouri. It was built in 1999, so it is 26 years old, younger than the Missouri average of 45.1 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 7,915 vehicles a day, roughly 31% of them trucks, projected to reach 13,851 by 2044. The structure is 95 ft (29 m) long and 40 ft wide. If it were closed, the detour would be 26.1 mi (42 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| 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 Mo 13 S over Otter CR built?
It was built in 1999, making it 26 years old in 2025.
What condition is Mo 13 S over Otter CR in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.
How much traffic does Mo 13 S over Otter CR carry?
About 7,915 vehicles per day (2024 count), of which roughly 31% are trucks.
How long is Mo 13 S over Otter CR?
The structure is 95 ft (29 m) long with a longest span of 34 ft (10.5 m) and a deck 40 ft wide.
Who owns Mo 13 S over Otter CR?
It is owned by the State Highway Agency.