US Bridges

County RD 152 over Sons CR Br

Fair

Dade County, Missouri · S 6 T 30 N R 27 W · Structure no. 24074

Built
1935
90 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
40
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 152 over Sons CR Br is a concrete continuous slab carrying County RD 152 over Sons CR Br in Dade County, Missouri. It was built in 1935, so it is 90 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 40 vehicles a day, roughly 10% of them trucks, projected to reach 46 by 2044. The structure is 23 ft (7 m) long and 20 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCounty RD 152
CrossesSons CR Br
LocationS 6 T 30 N R 27 W
RouteCounty Highway 455
Coordinates37.3607, -93.93924
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 inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.6 US tons
Inventory rating24.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length23 ft (7 m)
Longest span10 ft (3.2 m)
Deck width20 ft (6 m)
Roadway width19 ft (5.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2024)
Projected traffic46 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 152 over Sons CR Br built?

It was built in 1935, making it 90 years old in 2025.

What condition is County RD 152 over Sons CR Br 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 January 2024.

How much traffic does County RD 152 over Sons CR Br carry?

About 40 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD 152 over Sons CR Br?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3.2 m) and a deck 20 ft wide.

Who owns County RD 152 over Sons CR Br?

It is owned by the County Highway Agency.