US Bridges

Riley (20.0-9.5) over Eight Mile Creek

Good

Franklin County, Kansas · 2.3S 1.0E of Centropolis · Structure no. 000301035504820

Built
1982
43 years old
Condition
Good
inspected June 2023
Type
Slab
Concrete Continuous
Length
133 ft
3 main spans
Daily traffic
35
2013 count
Owner
County
County Highway Agency

About this bridge

Riley (20.0-9.5) over Eight Mile Creek is a concrete continuous slab carrying Riley (20.0-9.5) over Eight Mile Creek in Franklin County, Kansas. It was built in 1982, so it is 43 years old, younger than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 35 vehicles a day, projected to reach 42 by 2043. The structure is 133 ft (40.4 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesRiley (20.0-9.5)
CrossesEight Mile Creek
Location2.3S 1.0E of Centropolis
RouteCounty Highway 0
CountyFranklin County
StateKansas
Coordinates38.68138, -95.33257
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.6 US tons
Inventory rating30.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length133 ft (40.4 m)
Longest span52 ft (15.7 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 (2013)
Projected traffic42 by 2043
Trucks0%
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 Riley (20.0-9.5) over Eight Mile Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is Riley (20.0-9.5) over Eight Mile Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does Riley (20.0-9.5) over Eight Mile Creek carry?

About 35 vehicles per day (2013 count).

How long is Riley (20.0-9.5) over Eight Mile Creek?

The structure is 133 ft (40.4 m) long with a longest span of 52 ft (15.7 m) and a deck 26 ft wide.

Who owns Riley (20.0-9.5) over Eight Mile Creek?

It is owned by the County Highway Agency.