US Bridges

County RD 1040 over N White Oak CR

FairPosted for load

Lawrence County, Missouri · S 10 T 29 N R 28 W · Structure no. 12658

Built
1915
110 years old, rebuilt 1980
Condition
Fair
inspected March 2023
Type
Slab
Concrete
Length
35 ft
2 main spans
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 1040 over N White Oak CR is a concrete slab carrying County RD 1040 over N White Oak CR in Lawrence County, Missouri. It was built in 1915 and reconstructed in 1980, so it is 110 years old, older 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. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 70 by 2043. The structure is 35 ft (10.7 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesCounty RD 1040
CrossesN White Oak CR
LocationS 10 T 29 N R 28 W
RouteCounty Highway 16
CountyLawrence County
StateMissouri
Coordinates37.24976, -93.9776
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.7 US tons
Inventory rating15.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length35 ft (10.7 m)
Longest span25 ft (7.6 m)
Deck width20 ft (6.2 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic70 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byOther Local 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 County RD 1040 over N White Oak CR built?

It was built in 1915, making it 110 years old in 2025. It was reconstructed in 1980.

What condition is County RD 1040 over N White Oak 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 March 2023.

How much traffic does County RD 1040 over N White Oak CR carry?

About 50 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 1040 over N White Oak CR?

The structure is 35 ft (10.7 m) long with a longest span of 25 ft (7.6 m) and a deck 20 ft wide.

Who owns County RD 1040 over N White Oak CR?

It is owned by the County Highway Agency and maintained by the Other Local Agency.