US Bridges

Oak Hill RD over Br of Brush CR

Good

Crawford County, Missouri · S 1 T 39 N R 5 W · Structure no. 29734

Built
2002
23 years old
Condition
Good
inspected February 2025
Type
Culvert
Steel Continuous
Length
21 ft
2 main spans
Daily traffic
700
2023 count
Owner
County
County Highway Agency

About this bridge

Oak Hill RD over Br of Brush CR is a steel continuous culvert carrying Oak Hill RD over Br of Brush CR in Crawford County, Missouri. It was built in 2002, so it is 23 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 700 vehicles a day, roughly 10% of them trucks, projected to reach 840 by 2043. The structure is 21 ft (6.3 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesOak Hill RD
CrossesBr of Brush CR
LocationS 1 T 39 N R 5 W
RouteCounty Highway 29
Coordinates38.12238, -91.413
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length21 ft (6.3 m)
Longest span9 ft (2.6 m)
Deck width29 ft (8.8 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2023)
Projected traffic840 by 2043
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 Oak Hill RD over Br of Brush CR built?

It was built in 2002, making it 23 years old in 2025.

What condition is Oak Hill RD over Br of Brush 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 February 2025.

How much traffic does Oak Hill RD over Br of Brush CR carry?

About 700 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Oak Hill RD over Br of Brush CR?

The structure is 21 ft (6.3 m) long with a longest span of 9 ft (2.6 m) and a deck 29 ft wide.

Who owns Oak Hill RD over Br of Brush CR?

It is owned by the County Highway Agency.