US Bridges

Local 20.9-8.7 over Trib. to Eight Mile Ck.

GoodPosted for load

Franklin County, Kansas · 1.5S of Centropolis · Structure no. 000301033704801

Built
1990
35 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
35
2013 count
Owner
County
County Highway Agency

About this bridge

Local 20.9-8.7 over Trib. to Eight Mile Ck. is a concrete culvert carrying Local 20.9-8.7 over Trib. to Eight Mile Ck. in Franklin County, Kansas. It was built in 1990, so it is 35 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. Its operating status is: posted for load restriction.

It carries about 35 vehicles a day, projected to reach 36 by 2043. The structure is 24 ft (7.3 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesLocal 20.9-8.7
CrossesTrib. to Eight Mile Ck.
Location1.5S of Centropolis
RouteCounty Highway 0
CountyFranklin County
StateKansas
Coordinates38.69397, -95.34628
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.5 US tons
Inventory rating21.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span11 ft (3.5 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic35 (2013)
Projected traffic36 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 20.9-8.7 over Trib. to Eight Mile Ck. built?

It was built in 1990, making it 35 years old in 2025.

What condition is Local 20.9-8.7 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 20.9-8.7 over Trib. to Eight Mile Ck. carry?

About 35 vehicles per day (2013 count).

How long is Local 20.9-8.7 over Trib. to Eight Mile Ck.?

The structure is 24 ft (7.3 m) long with a longest span of 11 ft (3.5 m) and a deck 32 ft wide.

Who owns Local 20.9-8.7 over Trib. to Eight Mile Ck.?

It is owned by the County Highway Agency.