US Bridges

Clarksburg DR over Moniteau CR

Good

Cooper County, Missouri · S 19 T 46 N R 15 W · Structure no. 22026

Built
1990
35 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
170 ft
3 main spans
Daily traffic
50
2024 count
Owner
County
County Highway Agency

About this bridge

Clarksburg DR over Moniteau CR is a steel stringer/multi-beam or girder carrying Clarksburg DR over Moniteau CR in Cooper County, Missouri. It was built in 1990, so it is 35 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 65 by 2044. The structure is 170 ft (51.8 m) long and 22 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesClarksburg DR
CrossesMoniteau CR
LocationS 19 T 46 N R 15 W
RouteCounty Highway 336
Coordinates38.73258, -92.60947
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.7 US tons
Inventory rating25.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length170 ft (51.8 m)
Longest span71 ft (21.6 m)
Deck width22 ft (6.7 m)
Roadway width21 ft (6.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic65 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Clarksburg DR over Moniteau CR built?

It was built in 1990, making it 35 years old in 2025.

What condition is Clarksburg DR over Moniteau CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2023.

How much traffic does Clarksburg DR over Moniteau CR carry?

About 50 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Clarksburg DR over Moniteau CR?

The structure is 170 ft (51.8 m) long with a longest span of 71 ft (21.6 m) and a deck 22 ft wide.

Who owns Clarksburg DR over Moniteau CR?

It is owned by the County Highway Agency.