US Bridges

Bison Road over Ladder Creek

Good

Logan County, Kansas · 13.7S 13.5E Russell Spgs. · Structure no. 000550433104782

Built
2016
9 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
10
2020 count
Owner
County
County Highway Agency

About this bridge

Bison Road over Ladder Creek is a concrete culvert carrying Bison Road over Ladder Creek in Logan County, Kansas. It was built in 2016, so it is 9 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 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 10 vehicles a day, projected to reach 10 by 2044. The structure is 31 ft (9.5 m) long. If it were closed, the detour would be 198.8 mi (320 km).

CarriesBison Road
CrossesLadder Creek
Location13.7S 13.5E Russell Spgs.
RouteCounty Highway 517
StateKansas
Coordinates38.71165, -100.92854
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating68.6 US tons
Inventory rating52.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHL 93
Structure length31 ft (9.5 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic10 (2020)
Projected traffic10 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed198.8 mi (320 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 Bison Road over Ladder Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is Bison Road over Ladder 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 September 2024.

How much traffic does Bison Road over Ladder Creek carry?

About 10 vehicles per day (2020 count).

How long is Bison Road over Ladder Creek?

The structure is 31 ft (9.5 m) long with a longest span of 10 ft (3 m).

Who owns Bison Road over Ladder Creek?

It is owned by the County Highway Agency.