US Bridges

251 ST over Br of Clear CR

Fair

Cass County, Missouri · S 1 T 44 N R 30 W · Structure no. 23969

Built
1990
35 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
68 ft
1 main span
Daily traffic
45
2024 count
Owner
County
County Highway Agency

About this bridge

251 ST over Br of Clear CR is a steel stringer/multi-beam or girder carrying 251 ST over Br of Clear CR in Cass County, Missouri. It was built in 1990, so it is 35 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 45 vehicles a day, roughly 5% of them trucks, projected to reach 72 by 2044. The structure is 68 ft (20.7 m) long and 15 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Carries251 ST
CrossesBr of Clear CR
LocationS 1 T 44 N R 30 W
RouteCounty Highway 447
Coordinates38.6577, -94.18713
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating32.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length68 ft (20.7 m)
Longest span64 ft (19.5 m)
Deck width15 ft (4.6 m)
Roadway width14 ft (4.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45 (2024)
Projected traffic72 by 2044
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 251 ST over Br of Clear CR built?

It was built in 1990, making it 35 years old in 2025.

What condition is 251 ST over Br of Clear 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 April 2023.

How much traffic does 251 ST over Br of Clear CR carry?

About 45 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is 251 ST over Br of Clear CR?

The structure is 68 ft (20.7 m) long with a longest span of 64 ft (19.5 m) and a deck 15 ft wide.

Who owns 251 ST over Br of Clear CR?

It is owned by the County Highway Agency.