US Bridges

Rt H S over Clifty CR

Fair

Gasconade County, Missouri · S 16 T 44 N R 4 W · Structure no. 7219

Built
1936
89 years old, rebuilt 1960
Condition
Fair
inspected September 2024
Type
Tee Beam
Concrete
Length
54 ft
1 main span
Daily traffic
370
2024 count
Owner
State
State Highway Agency

About this bridge

Rt H S over Clifty CR is a concrete tee beam carrying Rt H S over Clifty CR in Gasconade County, Missouri. It was built in 1936 and reconstructed in 1960, so it is 89 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 370 vehicles a day, roughly 10% of them trucks, projected to reach 481 by 2044. The structure is 54 ft (16.5 m) long and 23 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesRt H S
CrossesClifty CR
LocationS 16 T 44 N R 4 W
RouteState Highway 0H
Coordinates38.55754, -91.38713
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating64.5 US tons
Inventory rating38.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length54 ft (16.5 m)
Longest span50 ft (15.2 m)
Deck width23 ft (7.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic370 (2024)
Projected traffic481 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Rt H S over Clifty CR built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1960.

What condition is Rt H S over Clifty 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 September 2024.

How much traffic does Rt H S over Clifty CR carry?

About 370 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Rt H S over Clifty CR?

The structure is 54 ft (16.5 m) long with a longest span of 50 ft (15.2 m) and a deck 23 ft wide.

Who owns Rt H S over Clifty CR?

It is owned by the State Highway Agency.