US Bridges

County RD 62 over N Sons CR Br

Fair

Dade County, Missouri · S 27 T 32 N R 27 W · Structure no. 18113

Built
1929
96 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete
Length
26 ft
1 main span
Daily traffic
5
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 62 over N Sons CR Br is a concrete slab carrying County RD 62 over N Sons CR Br in Dade County, Missouri. It was built in 1929, so it is 96 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 5 vehicles a day, roughly 10% of them trucks, projected to reach 6 by 2044. The structure is 26 ft (7.9 m) long and 13 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCounty RD 62
CrossesN Sons CR Br
LocationS 27 T 32 N R 27 W
RouteCounty Highway 173
Coordinates37.49036, -93.89377
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.6 US tons
Inventory rating24.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length26 ft (7.9 m)
Longest span25 ft (7.6 m)
Deck width13 ft (4.1 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2024)
Projected traffic6 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 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 62 over N Sons CR Br built?

It was built in 1929, making it 96 years old in 2025.

What condition is County RD 62 over N 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 62 over N Sons CR Br carry?

About 5 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD 62 over N Sons CR Br?

The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m) and a deck 13 ft wide.

Who owns County RD 62 over N Sons CR Br?

It is owned by the County Highway Agency.