US Bridges

Carroll Cave RD over Trib to Mill CR

Good

Camden County, Missouri · S 7 T 37 N R 14 W · Structure no. 35622

Built
2014
11 years old
Condition
Good
inspected May 2024
Type
Slab
Concrete
Length
28 ft
2 main spans
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

Carroll Cave RD over Trib to Mill CR is a concrete slab carrying Carroll Cave RD over Trib to Mill CR in Camden County, Missouri. It was built in 2014, so it is 11 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 98 by 2043. The structure is 28 ft (8.6 m) long and 27 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesCarroll Cave RD
CrossesTrib to Mill CR
LocationS 7 T 37 N R 14 W
RouteCounty Highway 223
Coordinates37.95764, -92.50828
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating30.8 US tons
Inventory rating17.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length28 ft (8.6 m)
Longest span12 ft (3.7 m)
Deck width27 ft (8.2 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic98 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Carroll Cave RD over Trib to Mill CR built?

It was built in 2014, making it 11 years old in 2025.

What condition is Carroll Cave RD over Trib to Mill CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does Carroll Cave RD over Trib to Mill CR carry?

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

How long is Carroll Cave RD over Trib to Mill CR?

The structure is 28 ft (8.6 m) long with a longest span of 12 ft (3.7 m) and a deck 27 ft wide.

Who owns Carroll Cave RD over Trib to Mill CR?

It is owned by the County Highway Agency.