Is 49 S over Marmaton Rvr
FairVernon County, Missouri · S 9 T 36 N R 31 W · Structure no. 2264
- Built
- 1969
- 56 years old, rebuilt 2020
- Condition
- Fair
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 486 ft
- 3 main spans
- Daily traffic
- 6,540
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Is 49 S over Marmaton Rvr is a steel continuous stringer/multi-beam or girder carrying Is 49 S over Marmaton Rvr in Vernon County, Missouri. It was built in 1969 and reconstructed in 2020, so it is 56 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.
It carries about 6,540 vehicles a day, roughly 36% of them trucks, projected to reach 11,445 by 2044. The structure is 486 ft (148.1 m) long and 41 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Is 49 S over Marmaton Rvr built?
It was built in 1969, making it 56 years old in 2025. It was reconstructed in 2020.
What condition is Is 49 S over Marmaton 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 July 2023.
How much traffic does Is 49 S over Marmaton Rvr carry?
About 6,540 vehicles per day (2024 count), of which roughly 36% are trucks.
How long is Is 49 S over Marmaton Rvr?
The structure is 486 ft (148.1 m) long with a longest span of 100 ft (30.5 m) and a deck 41 ft wide.
Who owns Is 49 S over Marmaton Rvr?
It is owned by the State Highway Agency.