Mo 13 S over Dry Sac Rvr
FairPolk County, Missouri · S 9 T 31 N R 22 W · Structure no. 2596
- Built
- 1972
- 53 years old, rebuilt 2020
- Condition
- Fair
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 283 ft
- 7 main spans
- Daily traffic
- 11,979
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Mo 13 S over Dry Sac Rvr is a steel continuous stringer/multi-beam or girder carrying Mo 13 S over Dry Sac Rvr in Polk County, Missouri. It was built in 1972 and reconstructed in 2020, so it is 53 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 11,979 vehicles a day, roughly 15% of them trucks, projected to reach 20,963 by 2044. The structure is 283 ft (86.3 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| 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 Mo 13 S over Dry Sac Rvr built?
It was built in 1972, making it 53 years old in 2025. It was reconstructed in 2020.
What condition is Mo 13 S over Dry Sac Rvr 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 November 2023.
How much traffic does Mo 13 S over Dry Sac Rvr carry?
About 11,979 vehicles per day (2024 count), of which roughly 15% are trucks.
How long is Mo 13 S over Dry Sac Rvr?
The structure is 283 ft (86.3 m) long with a longest span of 42 ft (12.8 m) and a deck 42 ft wide.
Who owns Mo 13 S over Dry Sac Rvr?
It is owned by the State Highway Agency.