US Bridges

Is 49 N over Lit Osage Rvr

Good

Vernon County, Missouri · S 17 T 37 N R 31 W · Structure no. 33239

Built
2011
14 years old
Condition
Good
inspected July 2023
Type
Tee Beam
Prestressed Concrete
Length
384 ft
5 main spans
Daily traffic
5,373
2024 count
Owner
State
State Highway Agency

About this bridge

Is 49 N over Lit Osage Rvr is a prestressed concrete tee beam carrying Is 49 N over Lit Osage Rvr in Vernon County, Missouri. It was built in 2011, so it is 14 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 5,373 vehicles a day, roughly 32% of them trucks, projected to reach 9,403 by 2044. The structure is 384 ft (117 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIs 49 N
CrossesLit Osage Rvr
LocationS 17 T 37 N R 31 W
RouteInterstate 49
Coordinates37.99427, -94.3688
Functional classRural 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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.3 US tons
Inventory rating50.6 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHL 93
Structure length384 ft (117 m)
Longest span90 ft (27.4 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,373 (2024)
Projected traffic9,403 by 2044
Trucks32%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Is 49 N over Lit Osage Rvr built?

It was built in 2011, making it 14 years old in 2025.

What condition is Is 49 N over Lit Osage Rvr 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 Lit Osage Rvr carry?

About 5,373 vehicles per day (2024 count), of which roughly 32% are trucks.

How long is Is 49 N over Lit Osage Rvr?

The structure is 384 ft (117 m) long with a longest span of 90 ft (27.4 m) and a deck 41 ft wide.

Who owns Is 49 N over Lit Osage Rvr?

It is owned by the State Highway Agency.