US Bridges

SW 150 Ave over Salty Creek

Fair

Harper County, Kansas · 4.0S 0.5W of Corwin · Structure no. 000390713007087

Built
2004
21 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
79 ft
3 main spans
Daily traffic
20
2021 count
Owner
County
County Highway Agency

About this bridge

SW 150 Ave over Salty Creek is a steel continuous stringer/multi-beam or girder carrying SW 150 Ave over Salty Creek in Harper County, Kansas. It was built in 2004, so it is 21 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 20 vehicles a day, roughly 2% of them trucks, projected to reach 100 by 2043. The structure is 79 ft (24 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSW 150 Ave
CrossesSalty Creek
Location4.0S 0.5W of Corwin
RouteCounty Highway 0
CountyHarper County
StateKansas
Coordinates37.02558, -98.31044
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.
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 inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.2 US tons
Inventory rating21.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckCorrugated steel
Main spans3
Design loadUnknown
Structure length79 ft (24 m)
Longest span29 ft (8.9 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic20 (2021)
Projected traffic100 by 2043
Trucks2%
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 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 SW 150 Ave over Salty Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is SW 150 Ave over Salty Creek 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 February 2023.

How much traffic does SW 150 Ave over Salty Creek carry?

About 20 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is SW 150 Ave over Salty Creek?

The structure is 79 ft (24 m) long with a longest span of 29 ft (8.9 m) and a deck 24 ft wide.

Who owns SW 150 Ave over Salty Creek?

It is owned by the County Highway Agency.