US Bridges

180 Ave (rs 1978) over Smoky Hill River

Fair

Trego County, Kansas · 16.8S of Voda · Structure no. 000000000980650

Built
1988
37 years old
Condition
Fair
inspected June 2023
Type
Slab
Concrete Continuous
Length
266 ft
6 main spans
Daily traffic
10
2020 count
Owner
County
County Highway Agency

About this bridge

180 Ave (rs 1978) over Smoky Hill River is a concrete continuous slab carrying 180 Ave (rs 1978) over Smoky Hill River in Trego County, Kansas. It was built in 1988, so it is 37 years old, younger than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 10 vehicles a day, projected to reach 20 by 2043. The structure is 266 ft (81.1 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries180 Ave (rs 1978)
CrossesSmoky Hill River
Location16.8S of Voda
RouteCounty Highway 1978
CountyTrego County
StateKansas
Coordinates38.80717, -100.02241
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.6 US tons
Inventory rating40.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length266 ft (81.1 m)
Longest span48 ft (14.6 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 traffic10 (2020)
Projected traffic20 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 180 Ave (rs 1978) over Smoky Hill River built?

It was built in 1988, making it 37 years old in 2025.

What condition is 180 Ave (rs 1978) over Smoky Hill River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2023.

How much traffic does 180 Ave (rs 1978) over Smoky Hill River carry?

About 10 vehicles per day (2020 count).

How long is 180 Ave (rs 1978) over Smoky Hill River?

The structure is 266 ft (81.1 m) long with a longest span of 48 ft (14.6 m) and a deck 28 ft wide.

Who owns 180 Ave (rs 1978) over Smoky Hill River?

It is owned by the County Highway Agency.