US Bridges

Is 49 S over Mna Railrd

Good

Vernon County, Missouri · S 14 T 35 N R 31 W · Structure no. 36439

Built
2022
3 years old
Condition
Good
inspected June 2023
Type
Tee Beam
Prestressed Concrete Continuous
Length
263 ft
3 main spans
Daily traffic
7,662
2024 count
Owner
State
State Highway Agency

About this bridge

Is 49 S over Mna Railrd is a prestressed concrete continuous tee beam carrying Is 49 S over Mna Railrd in Vernon County, Missouri. It was built in 2022, so it is 3 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 7,662 vehicles a day, roughly 41% of them trucks, projected to reach 13,409 by 2044. The structure is 263 ft (80.2 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIs 49 S
CrossesMna Railrd
LocationS 14 T 35 N R 31 W
RouteInterstate 49
Coordinates37.80704, -94.31293
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure9 ExcellentNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.3 US tons
Inventory rating51.6 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length263 ft (80.2 m)
Longest span103 ft (31.4 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deck23 ft (7.1 m)

Traffic and service

Average daily traffic7,662 (2024)
Projected traffic13,409 by 2044
Trucks41%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Is 49 S over Mna Railrd built?

It was built in 2022, making it 3 years old in 2025.

What condition is Is 49 S over Mna Railrd 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 June 2023.

How much traffic does Is 49 S over Mna Railrd carry?

About 7,662 vehicles per day (2024 count), of which roughly 41% are trucks.

How long is Is 49 S over Mna Railrd?

The structure is 263 ft (80.2 m) long with a longest span of 103 ft (31.4 m) and a deck 43 ft wide.

Who owns Is 49 S over Mna Railrd?

It is owned by the State Highway Agency.