US Bridges

County RD 1180 over Elm CR

FairPosted for load

Lawrence County, Missouri · S 23 T 27 N R 26 W · Structure no. 24215

Built
1930
95 years old, rebuilt 1991
Condition
Fair
inspected March 2023
Type
Slab
Concrete
Length
25 ft
1 main span
Daily traffic
75
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 1180 over Elm CR is a concrete slab carrying County RD 1180 over Elm CR in Lawrence County, Missouri. It was built in 1930 and reconstructed in 1991, so it is 95 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 75 vehicles a day, roughly 10% of them trucks, projected to reach 105 by 2043. The structure is 25 ft (7.6 m) long and 22 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesCounty RD 1180
CrossesElm CR
LocationS 23 T 27 N R 26 W
RouteCounty Highway 465
CountyLawrence County
StateMissouri
Coordinates37.03982, -93.73442
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating24.8 US tons
Inventory rating18.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length25 ft (7.6 m)
Longest span21 ft (6.4 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2023)
Projected traffic105 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 1180 over Elm CR built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1991.

What condition is County RD 1180 over Elm 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 1180 over Elm CR carry?

About 75 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 1180 over Elm CR?

The structure is 25 ft (7.6 m) long with a longest span of 21 ft (6.4 m) and a deck 22 ft wide.

Who owns County RD 1180 over Elm CR?

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