Is 49 N over Mna RR
GoodJasper County, Missouri · S 16 T 28 N R 31 W · Structure no. 2987
- Built
- 1984
- 41 years old
- Condition
- Good
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 136 ft
- 3 main spans
- Daily traffic
- 8,146
- 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 1984, so it is 41 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 8,146 vehicles a day, roughly 33% of them trucks, projected to reach 14,663 by 2044. The structure is 136 ft (41.5 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
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 1984, making it 41 years old in 2025.
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 August 2023.
How much traffic does Is 49 N over Mna RR carry?
About 8,146 vehicles per day (2024 count), of which roughly 33% are trucks.
How long is Is 49 N over Mna RR?
The structure is 136 ft (41.5 m) long with a longest span of 46 ft (13.9 m) and a deck 42 ft wide.
Who owns Is 49 N over Mna RR?
It is owned by the State Highway Agency.