US Bridges

Oakland Gravel RD over Bear CR

Fair

Boone County, Missouri · S 19 T 49 N R 12 W · Structure no. 16746

Built
1988
37 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
750
2023 count
Owner
County
County Highway Agency

About this bridge

Oakland Gravel RD over Bear CR is a concrete culvert carrying Oakland Gravel RD over Bear CR in Boone County, Missouri. It was built in 1988, so it is 37 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 750 vehicles a day, roughly 8% of them trucks, projected to reach 1,425 by 2043. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesOakland Gravel RD
CrossesBear CR
LocationS 19 T 49 N R 12 W
RouteCounty Highway 131
CountyBoone County
StateMissouri
Coordinates39.01039, -92.30197
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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2023)
Projected traffic1,425 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Oakland Gravel RD over Bear CR built?

It was built in 1988, making it 37 years old in 2025.

What condition is Oakland Gravel RD over Bear 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 2024.

How much traffic does Oakland Gravel RD over Bear CR carry?

About 750 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Oakland Gravel RD over Bear CR?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).

Who owns Oakland Gravel RD over Bear CR?

It is owned by the County Highway Agency.