US Bridges

King Hill RD over Trib of Contrary C

Fair

Buchanan County, Missouri · S 6 T 56 N R 35 W · Structure no. 31961

Built
2007
18 years old
Condition
Fair
inspected January 2023
Type
Culvert
Concrete
Length
20 ft
1 main span
Daily traffic
100
2024 count
Owner
County
County Highway Agency

About this bridge

King Hill RD over Trib of Contrary C is a concrete culvert carrying King Hill RD over Trib of Contrary C in Buchanan County, Missouri. It was built in 2007, so it is 18 years old, younger 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 115 by 2044. The structure is 20 ft (6.2 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesKing Hill RD
CrossesTrib of Contrary C
LocationS 6 T 56 N R 35 W
RouteCounty Highway 178
CountyBuchanan County
StateMissouri
Coordinates39.69037, -94.86585
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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length20 ft (6.2 m)
Longest span20 ft (6.2 m)
Deck width26 ft (7.9 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic115 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was King Hill RD over Trib of Contrary C built?

It was built in 2007, making it 18 years old in 2025.

What condition is King Hill RD over Trib of Contrary C 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 January 2023.

How much traffic does King Hill RD over Trib of Contrary C carry?

About 100 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is King Hill RD over Trib of Contrary C?

The structure is 20 ft (6.2 m) long with a longest span of 20 ft (6.2 m) and a deck 26 ft wide.

Who owns King Hill RD over Trib of Contrary C?

It is owned by the County Highway Agency.