US Bridges

Thomas (23-8.8) over Trib. to Eight Mile Ck.

PoorPosted for load

Franklin County, Kansas · 1.0N 0.5E of Centropolis · Structure no. 000301033804760

Built
1920
105 years old
Condition
Poor
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
34 ft
1 main span
Daily traffic
15
2010 count
Owner
County
County Highway Agency

About this bridge

Thomas (23-8.8) over Trib. to Eight Mile Ck. is a steel stringer/multi-beam or girder carrying Thomas (23-8.8) over Trib. to Eight Mile Ck. in Franklin County, Kansas. It was built in 1920, so it is 105 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 15 vehicles a day, projected to reach 15 by 2043. The structure is 34 ft (10.4 m) long and 16 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesThomas (23-8.8)
CrossesTrib. to Eight Mile Ck.
Location1.0N 0.5E of Centropolis
RouteCounty Highway 0
StateKansas
Coordinates38.72418, -95.33725
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating34.5 US tons
Inventory rating20.6 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span30 ft (9.1 m)
Deck width16 ft (4.8 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic15 (2010)
Projected traffic15 by 2043
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$250,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Thomas (23-8.8) over Trib. to Eight Mile Ck. built?

It was built in 1920, making it 105 years old in 2025.

What condition is Thomas (23-8.8) over Trib. to Eight Mile Ck. in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2023.

How much traffic does Thomas (23-8.8) over Trib. to Eight Mile Ck. carry?

About 15 vehicles per day (2010 count).

How long is Thomas (23-8.8) over Trib. to Eight Mile Ck.?

The structure is 34 ft (10.4 m) long with a longest span of 30 ft (9.1 m) and a deck 16 ft wide.

Who owns Thomas (23-8.8) over Trib. to Eight Mile Ck.?

It is owned by the County Highway Agency.