Is 49 N over Mna RR
GoodJasper County, Missouri · S 13 T 30 N R 31 W · Structure no. 2859
- Built
- 1977
- 48 years old, rebuilt 2021
- Condition
- Good
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 201 ft
- 3 main spans
- Daily traffic
- 9,460
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Is 49 N over Mna RR is a prestressed concrete continuous stringer/multi-beam or girder carrying Is 49 N over Mna RR in Jasper County, Missouri. It was built in 1977 and reconstructed in 2021, so it is 48 years old, older 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 9,460 vehicles a day, roughly 25% of them trucks, projected to reach 17,028 by 2044. The structure is 201 ft (61.3 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Is 49 N over Mna RR built?
It was built in 1977, making it 48 years old in 2025. It was reconstructed in 2021.
What condition is Is 49 N over Mna RR 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 July 2023.
How much traffic does Is 49 N over Mna RR carry?
About 9,460 vehicles per day (2024 count), of which roughly 25% are trucks.
How long is Is 49 N over Mna RR?
The structure is 201 ft (61.3 m) long with a longest span of 75 ft (22.9 m) and a deck 43 ft wide.
Who owns Is 49 N over Mna RR?
It is owned by the State Highway Agency.