US Bridges

Ripley RD over Br N Cobb CR

Fair

Laclede County, Missouri · S 28 T 34 N R 15 W · Structure no. 18651

Built
1997
28 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
60
2023 count
Owner
County
County Highway Agency

About this bridge

Ripley RD over Br N Cobb CR is a concrete continuous slab carrying Ripley RD over Br N Cobb CR in Laclede County, Missouri. It was built in 1997, so it is 28 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 60 vehicles a day, roughly 10% of them trucks, projected to reach 84 by 2043. The structure is 23 ft (7 m) long and 24 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesRipley RD
CrossesBr N Cobb CR
LocationS 28 T 34 N R 15 W
RouteCounty Highway 194
Coordinates37.62823, -92.58144
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 statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating63.5 US tons
Inventory rating37.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length23 ft (7 m)
Longest span11 ft (3.4 m)
Deck width24 ft (7.2 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2023)
Projected traffic84 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byOther Local 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 Ripley RD over Br N Cobb CR built?

It was built in 1997, making it 28 years old in 2025.

What condition is Ripley RD over Br N Cobb 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 Ripley RD over Br N Cobb CR carry?

About 60 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Ripley RD over Br N Cobb CR?

The structure is 23 ft (7 m) long with a longest span of 11 ft (3.4 m) and a deck 24 ft wide.

Who owns Ripley RD over Br N Cobb CR?

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