US Bridges

Local 20.5-8.7 over Trib. to Eight Mile Ck.

Good

Franklin County, Kansas · 2.0S of Centropolis · Structure no. 000301033704805

Built
1986
39 years old
Condition
Good
inspected June 2023
Type
Slab
Concrete Continuous
Length
93 ft
3 main spans
Daily traffic
40
2013 count
Owner
County
County Highway Agency

About this bridge

Local 20.5-8.7 over Trib. to Eight Mile Ck. is a concrete continuous slab carrying Local 20.5-8.7 over Trib. to Eight Mile Ck. in Franklin County, Kansas. It was built in 1986, so it is 39 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 40 vehicles a day, projected to reach 40 by 2043. The structure is 93 ft (28.3 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesLocal 20.5-8.7
CrossesTrib. to Eight Mile Ck.
Location2.0S of Centropolis
RouteCounty Highway 0
CountyFranklin County
StateKansas
Coordinates38.68888, -95.34626
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; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.5 US tons
Inventory rating45.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length93 ft (28.3 m)
Longest span36 ft (11 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 traffic40 (2013)
Projected traffic40 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 Local 20.5-8.7 over Trib. to Eight Mile Ck. built?

It was built in 1986, making it 39 years old in 2025.

What condition is Local 20.5-8.7 over Trib. to Eight Mile Ck. 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 Local 20.5-8.7 over Trib. to Eight Mile Ck. carry?

About 40 vehicles per day (2013 count).

How long is Local 20.5-8.7 over Trib. to Eight Mile Ck.?

The structure is 93 ft (28.3 m) long with a longest span of 36 ft (11 m) and a deck 26 ft wide.

Who owns Local 20.5-8.7 over Trib. to Eight Mile Ck.?

It is owned by the County Highway Agency.