US Bridges

Mo 249 S over Mo 171

Good

Jasper County, Missouri · S 20 T 28 N R 32 W · Structure no. 31412

Built
2006
19 years old, rebuilt 2022
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
234 ft
2 main spans
Daily traffic
8,753
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 249 S over Mo 171 is a steel continuous stringer/multi-beam or girder carrying Mo 249 S over Mo 171 in Jasper County, Missouri. It was built in 2006 and reconstructed in 2022, so it is 19 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 8,753 vehicles a day, roughly 16% of them trucks, projected to reach 15,755 by 2044. The structure is 234 ft (71.3 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMo 249 S
CrossesMo 171
LocationS 20 T 28 N R 32 W
RouteState Highway 249
Coordinates37.14026, -94.43984
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.4 US tons
Inventory rating46.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length234 ft (71.3 m)
Longest span138 ft (42.1 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,753 (2024)
Projected traffic15,755 by 2044
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 Mo 249 S over Mo 171 built?

It was built in 2006, making it 19 years old in 2025. It was reconstructed in 2022.

What condition is Mo 249 S over Mo 171 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 October 2024.

How much traffic does Mo 249 S over Mo 171 carry?

About 8,753 vehicles per day (2024 count), of which roughly 16% are trucks.

How long is Mo 249 S over Mo 171?

The structure is 234 ft (71.3 m) long with a longest span of 138 ft (42.1 m) and a deck 40 ft wide.

Who owns Mo 249 S over Mo 171?

It is owned by the State Highway Agency.