US Bridges

S.Main H.0-18.9C over Wildcat Creek

FairPosted for load

Riley County, Kansas · 0.3S of Riley · Structure no. 000810875003969

Built
1930
95 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
42 ft
1 main span
Daily traffic
110
2004 count
Owner
County
County Highway Agency

About this bridge

S.Main H.0-18.9C over Wildcat Creek is a steel stringer/multi-beam or girder carrying S.Main H.0-18.9C over Wildcat Creek in Riley County, Kansas. It was built in 1930, so it is 95 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. Its operating status is: posted for load restriction.

It carries about 110 vehicles a day, roughly 15% of them trucks, projected to reach 115 by 2044. The structure is 42 ft (12.8 m) long and 28 ft wide. If it were closed, the detour would be 198.8 mi (320 km).

Location

Open in Google Maps
CarriesS.Main H.0-18.9C
CrossesWildcat Creek
Location0.3S of Riley
RouteCounty Highway 0
CountyRiley County
StateKansas
Coordinates39.29281, -96.83111
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30 US tons
Inventory rating18 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length42 ft (12.8 m)
Longest span40 ft (12.1 m)
Deck width28 ft (8.4 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic110 (2004)
Projected traffic115 by 2044
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed198.8 mi (320 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$120,000
NavigationNo navigation control on waterway

Frequently asked questions

When was S.Main H.0-18.9C over Wildcat Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is S.Main H.0-18.9C over Wildcat 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 December 2024.

How much traffic does S.Main H.0-18.9C over Wildcat Creek carry?

About 110 vehicles per day (2004 count), of which roughly 15% are trucks.

How long is S.Main H.0-18.9C over Wildcat Creek?

The structure is 42 ft (12.8 m) long with a longest span of 40 ft (12.1 m) and a deck 28 ft wide.

Who owns S.Main H.0-18.9C over Wildcat Creek?

It is owned by the County Highway Agency.