US Bridges

Mo 131 S over Shafer Br

Fair

Johnson County, Missouri · S 3 T 46 N R 28 W · Structure no. 8557

Built
1930
95 years old, rebuilt 1963
Condition
Fair
inspected December 2024
Type
Culvert
Concrete Continuous
Length
48 ft
4 main spans
Daily traffic
3,527
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 131 S over Shafer Br is a concrete continuous culvert carrying Mo 131 S over Shafer Br in Johnson County, Missouri. It was built in 1930 and reconstructed in 1963, so it is 95 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 3,527 vehicles a day, roughly 11% of them trucks, projected to reach 5,467 by 2044. The structure is 48 ft (14.5 m) long. If it were closed, the detour would be 28 mi (45 km).

CarriesMo 131 S
CrossesShafer Br
LocationS 3 T 46 N R 28 W
RouteState Highway 131
Coordinates38.81509, -93.99298
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.7 US tons
Inventory rating22.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadH 20
Structure length48 ft (14.5 m)
Longest span10 ft (3.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,527 (2024)
Projected traffic5,467 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 131 S over Shafer Br built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1963.

What condition is Mo 131 S over Shafer Br in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2024.

How much traffic does Mo 131 S over Shafer Br carry?

About 3,527 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Mo 131 S over Shafer Br?

The structure is 48 ft (14.5 m) long with a longest span of 10 ft (3.1 m).

Who owns Mo 131 S over Shafer Br?

It is owned by the State Highway Agency.