US Bridges

Riley (20-17.9) over Wolf Creek

FairPosted for load

Franklin County, Kansas · 1.0W 1.0S of Le Loup · Structure no. 000301051904820

Built
1969
56 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
92 ft
3 main spans
Daily traffic
35
2010 count
Owner
County
County Highway Agency

About this bridge

Riley (20-17.9) over Wolf Creek is a steel continuous stringer/multi-beam or girder carrying Riley (20-17.9) over Wolf Creek in Franklin County, Kansas. It was built in 1969, so it is 56 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 35 vehicles a day, projected to reach 35 by 2043. The structure is 92 ft (28.1 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesRiley (20-17.9)
CrossesWolf Creek
Location1.0W 1.0S of Le Loup
RouteCounty Highway 0
CountyFranklin County
StateKansas
Coordinates38.68144, -95.17532
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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating20.3 US tons
Inventory rating12.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length92 ft (28.1 m)
Longest span35 ft (10.6 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic35 (2010)
Projected traffic35 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Riley (20-17.9) over Wolf Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is Riley (20-17.9) over Wolf 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 August 2024.

How much traffic does Riley (20-17.9) over Wolf Creek carry?

About 35 vehicles per day (2010 count).

How long is Riley (20-17.9) over Wolf Creek?

The structure is 92 ft (28.1 m) long with a longest span of 35 ft (10.6 m) and a deck 26 ft wide.

Who owns Riley (20-17.9) over Wolf Creek?

It is owned by the County Highway Agency.