US Bridges

310 Ave (south) over Trib. to Saline River

Good

Graham County, Kansas · 3.5E 12.3S of Hill City · Structure no. 000330559004123

Built
1982
43 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
40
2020 count
Owner
County
County Highway Agency

About this bridge

310 Ave (south) over Trib. to Saline River is a concrete culvert carrying 310 Ave (south) over Trib. to Saline River in Graham County, Kansas. It was built in 1982, so it is 43 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.

It carries about 40 vehicles a day, projected to reach 40 by 2044. The structure is 29 ft (8.9 m) long and 28 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Carries310 Ave (south)
CrossesTrib. to Saline River
Location3.5E 12.3S of Hill City
RouteCounty Highway 0
StateKansas
Coordinates39.18653, -99.77302
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.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.2 US tons
Inventory rating34.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length29 ft (8.9 m)
Longest span14 ft (4.2 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic40 (2020)
Projected traffic40 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 310 Ave (south) over Trib. to Saline River built?

It was built in 1982, making it 43 years old in 2025.

What condition is 310 Ave (south) over Trib. to Saline River 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 May 2024.

How much traffic does 310 Ave (south) over Trib. to Saline River carry?

About 40 vehicles per day (2020 count).

How long is 310 Ave (south) over Trib. to Saline River?

The structure is 29 ft (8.9 m) long with a longest span of 14 ft (4.2 m) and a deck 28 ft wide.

Who owns 310 Ave (south) over Trib. to Saline River?

It is owned by the County Highway Agency.