US Bridges

Rt Aa S over White Oak CR

Fair

Lawrence County, Missouri · S 24 T 29 N R 29 W · Structure no. 8351

Built
1963
62 years old, rebuilt 2002
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
202 ft
3 main spans
Daily traffic
64
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Aa S over White Oak CR is a steel continuous stringer/multi-beam or girder carrying Rt Aa S over White Oak CR in Lawrence County, Missouri. It was built in 1963 and reconstructed in 2002, so it is 62 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.

It carries about 64 vehicles a day, roughly 9% of them trucks, projected to reach 93 by 2044. The structure is 202 ft (61.6 m) long and 28 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesRt Aa S
CrossesWhite Oak CR
LocationS 24 T 29 N R 29 W
RouteState Highway 0AA
Coordinates37.21399, -94.0467
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.7 US tons
Inventory rating24.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length202 ft (61.6 m)
Longest span78 ft (23.8 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic64 (2024)
Projected traffic93 by 2044
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Rt Aa S over White Oak CR built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2002.

What condition is Rt Aa S over 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 July 2024.

How much traffic does Rt Aa S over White Oak CR carry?

About 64 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is Rt Aa S over White Oak CR?

The structure is 202 ft (61.6 m) long with a longest span of 78 ft (23.8 m) and a deck 28 ft wide.

Who owns Rt Aa S over White Oak CR?

It is owned by the State Highway Agency.