US Bridges

S 250th Ave_rs 515 over Solomon River

FairPosted for load

Osborne County, Kansas · 0.7S of Alton · Structure no. 000000000710060

Built
1953
72 years old, rebuilt 2018
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
463 ft
5 main spans
Daily traffic
115
2020 count
Owner
County
County Highway Agency

About this bridge

S 250th Ave_rs 515 over Solomon River is a steel continuous stringer/multi-beam or girder carrying S 250th Ave_rs 515 over Solomon River in Osborne County, Kansas. It was built in 1953 and reconstructed in 2018, so it is 72 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 115 vehicles a day, roughly 10% of them trucks, projected to reach 135 by 2044. The structure is 463 ft (141.1 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesS 250th Ave_rs 515
CrossesSolomon River
Location0.7S of Alton
RouteCounty Highway 515
StateKansas
Coordinates39.45452, -98.94788
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating38 US tons
Inventory rating22.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length463 ft (141.1 m)
Longest span100 ft (30.5 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic115 (2020)
Projected traffic135 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$240,000
NavigationNo navigation control on waterway

Frequently asked questions

When was S 250th Ave_rs 515 over Solomon River built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 2018.

What condition is S 250th Ave_rs 515 over 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 August 2024.

How much traffic does S 250th Ave_rs 515 over Solomon River carry?

About 115 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is S 250th Ave_rs 515 over Solomon River?

The structure is 463 ft (141.1 m) long with a longest span of 100 ft (30.5 m) and a deck 27 ft wide.

Who owns S 250th Ave_rs 515 over Solomon River?

It is owned by the County Highway Agency.