US Bridges

S. 180th Ave. over South Fork Solomon River

Fair

Osborne County, Kansas · 1.2S 7.0E of Alton · Structure no. 000710661003762

Built
1995
30 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete Continuous
Length
163 ft
3 main spans
Daily traffic
30
2020 count
Owner
County
County Highway Agency

About this bridge

S. 180th Ave. over South Fork Solomon River is a concrete continuous slab carrying S. 180th Ave. over South Fork Solomon River in Osborne County, Kansas. It was built in 1995, so it is 30 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 30 vehicles a day, projected to reach 30 by 2043. The structure is 163 ft (49.7 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesS. 180th Ave.
CrossesSouth Fork Solomon River
Location1.2S 7.0E of Alton
RouteCounty Highway 0
CountyOsborne County
StateKansas
Coordinates39.45067, -98.82145
Functional classRural Local

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 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 rating43.2 US tons
Inventory rating25.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length163 ft (49.7 m)
Longest span64 ft (19.5 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 traffic30 (2020)
Projected traffic30 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 S. 180th Ave. over South Fork Solomon River built?

It was built in 1995, making it 30 years old in 2025.

What condition is S. 180th Ave. over South Fork Solomon 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 May 2023.

How much traffic does S. 180th Ave. over South Fork Solomon River carry?

About 30 vehicles per day (2020 count).

How long is S. 180th Ave. over South Fork Solomon River?

The structure is 163 ft (49.7 m) long with a longest span of 64 ft (19.5 m) and a deck 28 ft wide.

Who owns S. 180th Ave. over South Fork Solomon River?

It is owned by the County Highway Agency.