US Bridges

ST-42 171st St. over Hog Creek

Fair

Leavenworth County, Kansas · 2.0W of Basehor · Structure no. 000521073004189

Built
1980
45 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete Continuous
Length
112 ft
3 main spans
Daily traffic
146
2024 count
Owner
County
County Highway Agency

About this bridge

ST-42 171st St. over Hog Creek is a concrete continuous slab carrying ST-42 171st St. over Hog Creek in Leavenworth County, Kansas. It was built in 1980, so it is 45 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 146 vehicles a day, roughly 16% of them trucks, projected to reach 279 by 2042. The structure is 112 ft (34.1 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesST-42 171st St.
CrossesHog Creek
Location2.0W of Basehor
RouteCounty Highway 0
StateKansas
Coordinates39.13008, -94.97579
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 inspectionAugust 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.5 US tons
Inventory rating30 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length112 ft (34.1 m)
Longest span44 ft (13.4 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 traffic146 (2024)
Projected traffic279 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 ST-42 171st St. over Hog Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is ST-42 171st St. over Hog Creek 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 August 2024.

How much traffic does ST-42 171st St. over Hog Creek carry?

About 146 vehicles per day (2024 count), of which roughly 16% are trucks.

How long is ST-42 171st St. over Hog Creek?

The structure is 112 ft (34.1 m) long with a longest span of 44 ft (13.4 m) and a deck 26 ft wide.

Who owns ST-42 171st St. over Hog Creek?

It is owned by the County Highway Agency.