US Bridges

Rt Y S over Horse CR Br

Fair

Clinton County, Missouri · S 11 T 55 N R 32 W · Structure no. 8306

Built
1962
63 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
301
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Y S over Horse CR Br is a concrete continuous culvert carrying Rt Y S over Horse CR Br in Clinton County, Missouri. It was built in 1962, so it is 63 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 6 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 301 vehicles a day, roughly 8% of them trucks, projected to reach 391 by 2044. The structure is 24 ft (7.3 m) long and 31 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

CarriesRt Y S
CrossesHorse CR Br
LocationS 11 T 55 N R 32 W
RouteState Highway 0Y
Coordinates39.58817, -94.4567
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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating42.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length24 ft (7.3 m)
Longest span11 ft (3.4 m)
Deck width31 ft (9.3 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic301 (2024)
Projected traffic391 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 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 Rt Y S over Horse CR Br built?

It was built in 1962, making it 63 years old in 2025.

What condition is Rt Y S over Horse CR 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 Rt Y S over Horse CR Br carry?

About 301 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Rt Y S over Horse CR Br?

The structure is 24 ft (7.3 m) long with a longest span of 11 ft (3.4 m) and a deck 31 ft wide.

Who owns Rt Y S over Horse CR Br?

It is owned by the State Highway Agency.