US Bridges

County RD 2180 over Dry Valley Br

FairPosted for load

Lawrence County, Missouri · S 29 T 27 N R 28 W · Structure no. 25091

Built
1900
125 years old, rebuilt 1970
Condition
Fair
inspected March 2023
Type
Slab
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 2180 over Dry Valley Br is a concrete continuous slab carrying County RD 2180 over Dry Valley Br in Lawrence County, Missouri. It was built in 1900 and reconstructed in 1970, so it is 125 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 5 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 25 ft (7.6 m) long and 18 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCounty RD 2180
CrossesDry Valley Br
LocationS 29 T 27 N R 28 W
RouteCounty Highway 622
Coordinates37.01785, -94.01199
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating9.9 US tons
Inventory rating5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 10
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width18 ft (5.6 m)
Roadway width18 ft (5.6 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 byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$255,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 2180 over Dry Valley Br built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1970.

What condition is County RD 2180 over Dry Valley Br 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 2180 over Dry Valley Br carry?

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

How long is County RD 2180 over Dry Valley Br?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m) and a deck 18 ft wide.

Who owns County RD 2180 over Dry Valley Br?

It is owned by the County Highway Agency.