US Bridges

F-10 171st Street over Trib. to Little Stranger

Fair

Leavenworth County, Kansas · 2.0W 0.6S of Fairmount · Structure no. 000521073004126

Built
1985
40 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete Continuous
Length
82 ft
3 main spans
Daily traffic
75
2024 count
Owner
County
County Highway Agency

About this bridge

F-10 171st Street over Trib. to Little Stranger is a concrete continuous slab carrying F-10 171st Street over Trib. to Little Stranger in Leavenworth County, Kansas. It was built in 1985, so it is 40 years old, younger than the Kansas average of 52.8 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 75 vehicles a day, roughly 16% of them trucks, projected to reach 153 by 2042. The structure is 82 ft (25.1 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesF-10 171st Street
CrossesTrib. to Little Stranger
Location2.0W 0.6S of Fairmount
RouteCounty Highway 0
StateKansas
Coordinates39.17858, -94.97536
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.8 US tons
Inventory rating43 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length82 ft (25.1 m)
Longest span32 ft (9.7 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic75 (2024)
Projected traffic153 by 2042
Trucks16%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was F-10 171st Street over Trib. to Little Stranger built?

It was built in 1985, making it 40 years old in 2025.

What condition is F-10 171st Street over Trib. to Little Stranger 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 July 2024.

How much traffic does F-10 171st Street over Trib. to Little Stranger carry?

About 75 vehicles per day (2024 count), of which roughly 16% are trucks.

How long is F-10 171st Street over Trib. to Little Stranger?

The structure is 82 ft (25.1 m) long with a longest span of 32 ft (9.7 m) and a deck 26 ft wide.

Who owns F-10 171st Street over Trib. to Little Stranger?

It is owned by the County Highway Agency.