US Bridges

335 TH ST over Sampson CR

Good

Gentry County, Missouri · S 25 T 63 N R 30 W · Structure no. 33655

Built
2014
11 years old
Condition
Good
inspected January 2023
Type
Tee Beam
Prestressed Concrete
Length
93 ft
1 main span
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

335 TH ST over Sampson CR is a prestressed concrete tee beam carrying 335 TH ST over Sampson CR in Gentry County, Missouri. It was built in 2014, so it is 11 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 15 vehicles a day, roughly 10% of them trucks, projected to reach 17 by 2044. The structure is 93 ft (28.2 m) long and 25 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries335 TH ST
CrossesSampson CR
LocationS 25 T 63 N R 30 W
RouteCounty Highway 197
Coordinates40.22969, -94.21799
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal 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 rating89.3 US tons
Inventory rating53.6 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length93 ft (28.2 m)
Longest span90 ft (27.4 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2024)
Projected traffic17 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 335 TH ST over Sampson CR built?

It was built in 2014, making it 11 years old in 2025.

What condition is 335 TH ST 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 January 2023.

How much traffic does 335 TH ST over Sampson CR carry?

About 15 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is 335 TH ST over Sampson CR?

The structure is 93 ft (28.2 m) long with a longest span of 90 ft (27.4 m) and a deck 25 ft wide.

Who owns 335 TH ST over Sampson CR?

It is owned by the County Highway Agency.