US Bridges

R-6 Hemphill Road over Pony Creek

GoodPosted for load

Leavenworth County, Kansas · 3.5S 3.6W of Tonganoxie · Structure no. 000521053804300

Built
1975
50 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
36 ft
1 main span
Daily traffic
69
2024 count
Owner
County
County Highway Agency

About this bridge

R-6 Hemphill Road over Pony Creek is a steel stringer/multi-beam or girder carrying R-6 Hemphill Road over Pony Creek in Leavenworth County, Kansas. It was built in 1975, so it is 50 years old, younger than the Kansas average of 52.8 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. Its operating status is: posted for load restriction.

It carries about 69 vehicles a day, roughly 16% of them trucks, projected to reach 82 by 2042. The structure is 36 ft (11 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesR-6 Hemphill Road
CrossesPony Creek
Location3.5S 3.6W of Tonganoxie
RouteCounty Highway 0
StateKansas
Coordinates39.05853, -95.15331
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating29.1 US tons
Inventory rating17.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length36 ft (11 m)
Longest span34 ft (10.5 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic69 (2024)
Projected traffic82 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 R-6 Hemphill Road over Pony Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is R-6 Hemphill Road over Pony Creek 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 August 2024.

How much traffic does R-6 Hemphill Road over Pony Creek carry?

About 69 vehicles per day (2024 count), of which roughly 16% are trucks.

How long is R-6 Hemphill Road over Pony Creek?

The structure is 36 ft (11 m) long with a longest span of 34 ft (10.5 m) and a deck 24 ft wide.

Who owns R-6 Hemphill Road over Pony Creek?

It is owned by the County Highway Agency.