US Bridges

Crd 612 Road over Sampson CR

Good

Gentry County, Missouri · S 24 T 62 N R 30 W · Structure no. 35868

Built
2018
7 years old
Condition
Good
inspected March 2023
Type
Tee Beam
Prestressed Concrete
Length
124 ft
1 main span
Daily traffic
10
2024 count
Owner
County
County Highway Agency

About this bridge

Crd 612 Road over Sampson CR is a prestressed concrete tee beam carrying Crd 612 Road over Sampson CR in Gentry County, Missouri. It was built in 2018, so it is 7 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10 vehicles a day, roughly 10% of them trucks, projected to reach 12 by 2044. The structure is 124 ft (37.9 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCrd 612 Road
CrossesSampson CR
LocationS 24 T 62 N R 30 W
RouteCounty Highway 415
Coordinates40.15611, -94.22833
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.4 US tons
Inventory rating61.5 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length124 ft (37.9 m)
Longest span122 ft (37.1 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2024)
Projected traffic12 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Crd 612 Road over Sampson CR built?

It was built in 2018, making it 7 years old in 2025.

What condition is Crd 612 Road over Sampson CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does Crd 612 Road over Sampson CR carry?

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

How long is Crd 612 Road over Sampson CR?

The structure is 124 ft (37.9 m) long with a longest span of 122 ft (37.1 m) and a deck 25 ft wide.

Who owns Crd 612 Road over Sampson CR?

It is owned by the County Highway Agency.