US Bridges

Is 49 S over Mna RR

Good

Jasper County, Missouri · S 13 T 30 N R 31 W · Structure no. 33585

Built
2011
14 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
239 ft
3 main spans
Daily traffic
8,715
2024 count
Owner
State
State Highway Agency

About this bridge

Is 49 S over Mna RR is a steel continuous stringer/multi-beam or girder carrying Is 49 S over Mna RR in Jasper 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 8,715 vehicles a day, roughly 26% of them trucks, projected to reach 15,687 by 2044. The structure is 239 ft (72.8 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIs 49 S
CrossesMna RR
LocationS 13 T 30 N R 31 W
RouteInterstate 49
Coordinates37.35247, -94.29919
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.
Superstructure8 Very GoodNo problems noted.
Substructure9 ExcellentNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.4 US tons
Inventory rating44.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length239 ft (72.8 m)
Longest span102 ft (31.1 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,715 (2024)
Projected traffic15,687 by 2044
Trucks26%
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 RR built?

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

What condition is Is 49 S 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 S over Mna RR carry?

About 8,715 vehicles per day (2024 count), of which roughly 26% are trucks.

How long is Is 49 S over Mna RR?

The structure is 239 ft (72.8 m) long with a longest span of 102 ft (31.1 m) and a deck 41 ft wide.

Who owns Is 49 S over Mna RR?

It is owned by the State Highway Agency.