US Bridges

Gerlane Road over Lone Tree Canyon

Good

Barber County, Kansas · 2.0N 3.0W of Hazelton · Structure no. 000000000040780

Built
1968
57 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
20 ft
1 main span
Daily traffic
75
2021 count
Owner
County
County Highway Agency

About this bridge

Gerlane Road over Lone Tree Canyon is a concrete culvert carrying Gerlane Road over Lone Tree Canyon in Barber County, Kansas. It was built in 1968, so it is 57 years old, older 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.

It carries about 75 vehicles a day, roughly 10% of them trucks, projected to reach 90 by 2043. The structure is 20 ft (6.1 m) long and 31 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesGerlane Road
CrossesLone Tree Canyon
Location2.0N 3.0W of Hazelton
RouteCounty Highway 1717
StateKansas
Coordinates37.12311, -98.45706
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length20 ft (6.1 m)
Longest span20 ft (6 m)
Deck width31 ft (9.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic75 (2021)
Projected traffic90 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Gerlane Road over Lone Tree Canyon built?

It was built in 1968, making it 57 years old in 2025.

What condition is Gerlane Road over Lone Tree Canyon 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 October 2023.

How much traffic does Gerlane Road over Lone Tree Canyon carry?

About 75 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Gerlane Road over Lone Tree Canyon?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6 m) and a deck 31 ft wide.

Who owns Gerlane Road over Lone Tree Canyon?

It is owned by the County Highway Agency.