US Bridges

Mo 181 S over Horton CR

Fair

Texas County, Missouri · S 12 T 28 N R 11 W · Structure no. 2301

Built
1970
55 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete Continuous
Length
39 ft
3 main spans
Daily traffic
1,695
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 181 S over Horton CR is a concrete continuous culvert carrying Mo 181 S over Horton CR in Texas County, Missouri. It was built in 1970, so it is 55 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 1,695 vehicles a day, roughly 11% of them trucks, projected to reach 2,373 by 2044. The structure is 39 ft (11.9 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesMo 181 S
CrossesHorton CR
LocationS 12 T 28 N R 11 W
RouteState Highway 181
Coordinates37.11705, -92.10392
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 inspectionOctober 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.4 US tons
Inventory rating47.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 20
Structure length39 ft (11.9 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,695 (2024)
Projected traffic2,373 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 181 S over Horton CR built?

It was built in 1970, making it 55 years old in 2025.

What condition is Mo 181 S over Horton CR 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 October 2023.

How much traffic does Mo 181 S over Horton CR carry?

About 1,695 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Mo 181 S over Horton CR?

The structure is 39 ft (11.9 m) long with a longest span of 12 ft (3.7 m).

Who owns Mo 181 S over Horton CR?

It is owned by the State Highway Agency.