US Bridges

A Road (rs 508) over Trib to Saline River

GoodPosted for load

Trego County, Kansas · 9.0N & 1.5E of Ogallah · Structure no. 000000000980180

Built
1968
57 years old
Condition
Good
inspected June 2023
Type
Tee Beam
Concrete Continuous
Length
158 ft
3 main spans
Daily traffic
50
2020 count
Owner
County
County Highway Agency

About this bridge

A Road (rs 508) over Trib to Saline River is a concrete continuous tee beam carrying A Road (rs 508) over Trib to Saline River in Trego 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. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, projected to reach 60 by 2043. The structure is 158 ft (48.3 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesA Road (rs 508)
CrossesTrib to Saline River
Location9.0N & 1.5E of Ogallah
RouteCounty Highway 508
StateKansas
Coordinates39.1323, -99.70604
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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.4 US tons
Inventory rating19.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length158 ft (48.3 m)
Longest span60 ft (18.2 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic50 (2020)
Projected traffic60 by 2043
Trucks0%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was A Road (rs 508) over Trib to Saline River built?

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

What condition is A Road (rs 508) 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 June 2023.

How much traffic does A Road (rs 508) over Trib to Saline River carry?

About 50 vehicles per day (2020 count).

How long is A Road (rs 508) over Trib to Saline River?

The structure is 158 ft (48.3 m) long with a longest span of 60 ft (18.2 m) and a deck 28 ft wide.

Who owns A Road (rs 508) over Trib to Saline River?

It is owned by the County Highway Agency.