US Bridges

SW 50 St. L.4-12.0 over Petyt Creek

Fair

Kingman County, Kansas · 4.0S 7.0W of Kingman · Structure no. 000480719406340

Built
1996
29 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
41 ft
4 main spans
Daily traffic
15
2021 count
Owner
County
County Highway Agency

About this bridge

SW 50 St. L.4-12.0 over Petyt Creek is a steel continuous stringer/multi-beam or girder carrying SW 50 St. L.4-12.0 over Petyt Creek in Kingman County, Kansas. It was built in 1996, so it is 29 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 15 vehicles a day, roughly 5% of them trucks, projected to reach 18 by 2043. The structure is 41 ft (12.5 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSW 50 St. L.4-12.0
CrossesPetyt Creek
Location4.0S 7.0W of Kingman
RouteCounty Highway 0
CountyKingman County
StateKansas
Coordinates37.57282, -98.25653
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 inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating47.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckSteel plate
Main spans4
Design loadUnknown
Structure length41 ft (12.5 m)
Longest span11 ft (3.5 m)
Deck width26 ft (7.9 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic15 (2021)
Projected traffic18 by 2043
Trucks5%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SW 50 St. L.4-12.0 over Petyt Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is SW 50 St. L.4-12.0 over Petyt 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 January 2023.

How much traffic does SW 50 St. L.4-12.0 over Petyt Creek carry?

About 15 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is SW 50 St. L.4-12.0 over Petyt Creek?

The structure is 41 ft (12.5 m) long with a longest span of 11 ft (3.5 m) and a deck 26 ft wide.

Who owns SW 50 St. L.4-12.0 over Petyt Creek?

It is owned by the County Highway Agency.