US Bridges

275 ST over Br of Clear CR

PoorPosted for load

Cass County, Missouri · S 10 T 44 N R 30 W · Structure no. 23523

Built
1965
60 years old
Condition
Poor
inspected April 2023
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
100
2024 count
Owner
County
County Highway Agency

About this bridge

275 ST over Br of Clear CR is a concrete culvert carrying 275 ST over Br of Clear CR in Cass County, Missouri. It was built in 1965, so it is 60 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, roughly 5% of them trucks, projected to reach 160 by 2044. The structure is 33 ft (10.1 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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Carries275 ST
CrossesBr of Clear CR
LocationS 10 T 44 N R 30 W
RouteCounty Highway 412
CountyCass County
StateMissouri
Coordinates38.61444, -94.21126
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26.8 US tons
Inventory rating15.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length33 ft (10.1 m)
Longest span11 ft (3.4 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic160 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$225,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 275 ST over Br of Clear CR built?

It was built in 1965, making it 60 years old in 2025.

What condition is 275 ST over Br of Clear CR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2023.

How much traffic does 275 ST over Br of Clear CR carry?

About 100 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is 275 ST over Br of Clear CR?

The structure is 33 ft (10.1 m) long with a longest span of 11 ft (3.4 m) and a deck 26 ft wide.

Who owns 275 ST over Br of Clear CR?

It is owned by the County Highway Agency.