US Bridges

23 Road (rs 115) over Pigg Canyon

Fair

Cheyenne County, Kansas · 12.3N 9.0E St. Francis · Structure no. 000000000120080

Built
1970
55 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
45 ft
4 main spans
Daily traffic
15
2020 count
Owner
County
County Highway Agency

About this bridge

23 Road (rs 115) over Pigg Canyon is a wood or timber stringer/multi-beam or girder carrying 23 Road (rs 115) over Pigg Canyon in Cheyenne County, Kansas. It was built in 1970, so it is 55 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 5 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, projected to reach 25 by 2045. The structure is 45 ft (13.7 m) long and 24 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Carries23 Road (rs 115)
CrossesPigg Canyon
Location12.3N 9.0E St. Francis
RouteCounty Highway 115
StateKansas
Coordinates39.95503, -101.63339
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
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 adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating38 US tons
Inventory rating23 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans4
Design loadUnknown
Structure length45 ft (13.7 m)
Longest span11 ft (3.4 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 traffic15 (2020)
Projected traffic25 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 23 Road (rs 115) over Pigg Canyon built?

It was built in 1970, making it 55 years old in 2025.

What condition is 23 Road (rs 115) over Pigg Canyon 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 2025.

How much traffic does 23 Road (rs 115) over Pigg Canyon carry?

About 15 vehicles per day (2020 count).

How long is 23 Road (rs 115) over Pigg Canyon?

The structure is 45 ft (13.7 m) long with a longest span of 11 ft (3.4 m) and a deck 24 ft wide.

Who owns 23 Road (rs 115) over Pigg Canyon?

It is owned by the County Highway Agency.