US Bridges

Camp Pin Oak DR over Trib to Lake Ozark

Fair

Camden County, Missouri · S 18 T 39 N R 15 W · Structure no. 18233

Built
1930
95 years old
Condition
Fair
inspected May 2024
Type
Arch - Deck
Concrete
Length
33 ft
1 main span
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

Camp Pin Oak DR over Trib to Lake Ozark is a concrete arch - deck carrying Camp Pin Oak DR over Trib to Lake Ozark in Camden County, Missouri. It was built in 1930, 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.

It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 98 by 2043. The structure is 33 ft (10.1 m) long and 26 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesCamp Pin Oak DR
CrossesTrib to Lake Ozark
LocationS 18 T 39 N R 15 W
RouteCounty Highway 178
Coordinates38.11397, -92.61189
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
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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadOther
Structure length33 ft (10.1 m)
Longest span24 ft (7.3 m)
Deck width26 ft (7.8 m)
Roadway width20 ft (6.1 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 closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Camp Pin Oak DR over Trib to Lake Ozark built?

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

What condition is Camp Pin Oak DR over Trib to Lake Ozark 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 May 2024.

How much traffic does Camp Pin Oak DR over Trib to Lake Ozark carry?

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

How long is Camp Pin Oak DR over Trib to Lake Ozark?

The structure is 33 ft (10.1 m) long with a longest span of 24 ft (7.3 m) and a deck 26 ft wide.

Who owns Camp Pin Oak DR over Trib to Lake Ozark?

It is owned by the County Highway Agency.