US Bridges

Cup Tree RD over Trib to Lake Ozark

Fair

Camden County, Missouri · S 33 T 40 N R 18 W · Structure no. 28786

Built
2001
24 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
200
2023 count
Owner
County
County Highway Agency

About this bridge

Cup Tree RD over Trib to Lake Ozark is a concrete continuous slab carrying Cup Tree RD over Trib to Lake Ozark in Camden County, Missouri. It was built in 2001, so it is 24 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 5 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 200 vehicles a day, roughly 10% of them trucks, projected to reach 390 by 2043. The structure is 24 ft (7.3 m) long and 22 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCup Tree RD
CrossesTrib to Lake Ozark
LocationS 33 T 40 N R 18 W
RouteCounty Highway 21
Coordinates38.19235, -92.94212
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length24 ft (7.3 m)
Longest span9 ft (2.7 m)
Deck width22 ft (6.6 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2023)
Projected traffic390 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway 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 Cup Tree RD over Trib to Lake Ozark built?

It was built in 2001, making it 24 years old in 2025.

What condition is Cup Tree RD 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 Cup Tree RD over Trib to Lake Ozark carry?

About 200 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Cup Tree RD over Trib to Lake Ozark?

The structure is 24 ft (7.3 m) long with a longest span of 9 ft (2.7 m) and a deck 22 ft wide.

Who owns Cup Tree RD over Trib to Lake Ozark?

It is owned by the County Highway Agency.