US Bridges

S. 90th Ave. over Trib. South Fork Solomon

FairPosted for load

Osborne County, Kansas · 0.1S 2.0E of Osborne · Structure no. 000710679003781

Built
1964
61 years old, rebuilt 1975
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
31 ft
2 main spans
Daily traffic
50
2020 count
Owner
County
County Highway Agency

About this bridge

S. 90th Ave. over Trib. South Fork Solomon is a steel continuous stringer/multi-beam or girder carrying S. 90th Ave. over Trib. South Fork Solomon in Osborne County, Kansas. It was built in 1964 and reconstructed in 1975, so it is 61 years old, older 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. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, projected to reach 50 by 2043. The structure is 31 ft (9.4 m) long and 22 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesS. 90th Ave.
CrossesTrib. South Fork Solomon
Location0.1S 2.0E of Osborne
RouteCounty Highway 0
CountyOsborne County
StateKansas
Coordinates39.43661, -98.65727
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating8.2 US tons
Inventory rating4.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckWood or timber
Main spans2
Design loadH 15
Structure length31 ft (9.4 m)
Longest span15 ft (4.5 m)
Deck width22 ft (6.7 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

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

Frequently asked questions

When was S. 90th Ave. over Trib. South Fork Solomon built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1975.

What condition is S. 90th Ave. over Trib. South Fork Solomon 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. 90th Ave. over Trib. South Fork Solomon carry?

About 50 vehicles per day (2020 count).

How long is S. 90th Ave. over Trib. South Fork Solomon?

The structure is 31 ft (9.4 m) long with a longest span of 15 ft (4.5 m) and a deck 22 ft wide.

Who owns S. 90th Ave. over Trib. South Fork Solomon?

It is owned by the County Highway Agency.