Mo 105 S over Is 57
FairMississippi County, Missouri · S 17 T 26 N R 16 E · Structure no. 309
- Built
- 1960
- 65 years old, rebuilt 2004
- Condition
- Fair
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 256 ft
- 4 main spans
- Daily traffic
- 4,798
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Mo 105 S over Is 57 is a steel continuous stringer/multi-beam or girder carrying Mo 105 S over Is 57 in Mississippi County, Missouri. It was built in 1960 and reconstructed in 2004, so it is 65 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 4,798 vehicles a day, roughly 13% of them trucks, projected to reach 6,957 by 2044. The structure is 256 ft (78 m) long and 55 ft wide. If it were closed, the detour would be 14.3 mi (23 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 | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Mo 105 S over Is 57 built?
It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2004.
What condition is Mo 105 S over Is 57 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 105 S over Is 57 carry?
About 4,798 vehicles per day (2024 count), of which roughly 13% are trucks.
How long is Mo 105 S over Is 57?
The structure is 256 ft (78 m) long with a longest span of 76 ft (23.2 m) and a deck 55 ft wide.
Who owns Mo 105 S over Is 57?
It is owned by the State Highway Agency.