US Bridges

Running Horse over Br of Prairie CR

Fair

Platte County, Missouri · S 7 T 52 N R 34 W · Structure no. 18433

Built
1932
93 years old, rebuilt 1987
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
33 ft
2 main spans
Daily traffic
550
2024 count
Owner
County
County Highway Agency

About this bridge

Running Horse over Br of Prairie CR is a concrete culvert carrying Running Horse over Br of Prairie CR in Platte County, Missouri. It was built in 1932 and reconstructed in 1987, so it is 93 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 550 vehicles a day, roughly 10% of them trucks, projected to reach 1,018 by 2044. The structure is 33 ft (10.1 m) long and 74 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesRunning Horse
CrossesBr of Prairie CR
LocationS 7 T 52 N R 34 W
RouteCounty Highway 185
Coordinates39.33644, -94.76101
Functional classRural Local

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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadOther
Structure length33 ft (10.1 m)
Longest span15 ft (4.6 m)
Deck width74 ft (22.7 m)
Roadway width73 ft (22.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic550 (2024)
Projected traffic1,018 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byOther Local 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 Running Horse over Br of Prairie CR built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1987.

What condition is Running Horse over Br of Prairie 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 April 2024.

How much traffic does Running Horse over Br of Prairie CR carry?

About 550 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Running Horse over Br of Prairie CR?

The structure is 33 ft (10.1 m) long with a longest span of 15 ft (4.6 m) and a deck 74 ft wide.

Who owns Running Horse over Br of Prairie CR?

It is owned by the County Highway Agency and maintained by the Other Local Agency.