US Bridges

Harned RD over Br of Moniteau CR

Fair

Cooper County, Missouri · S 7 T 46 N R 16 W · Structure no. 28983

Built
1998
27 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
100
2024 count
Owner
County
County Highway Agency

About this bridge

Harned RD over Br of Moniteau CR is a concrete culvert carrying Harned RD over Br of Moniteau CR in Cooper County, Missouri. It was built in 1998, so it is 27 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 130 by 2044. The structure is 29 ft (8.8 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesHarned RD
CrossesBr of Moniteau CR
LocationS 7 T 46 N R 16 W
RouteCounty Highway 317
CountyCooper County
StateMissouri
Coordinates38.76447, -92.7095
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 inspectionDecember 2023
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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating49.6 US tons
Inventory rating29.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span14 ft (4.3 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic130 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Harned RD over Br of Moniteau CR built?

It was built in 1998, making it 27 years old in 2025.

What condition is Harned RD over Br of Moniteau 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 December 2023.

How much traffic does Harned RD over Br of Moniteau CR carry?

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

How long is Harned RD over Br of Moniteau CR?

The structure is 29 ft (8.8 m) long with a longest span of 14 ft (4.3 m) and a deck 26 ft wide.

Who owns Harned RD over Br of Moniteau CR?

It is owned by the County Highway Agency.