US Bridges

C-20.8 Minor Col over Coon Creek

Fair

Chase County, Kansas · 1.7S 0.9E of Cedar Point · Structure no. 000090879005428

Built
1935
90 years old
Condition
Fair
inspected May 2024
Type
Tee Beam
Concrete
Length
37 ft
1 main span
Daily traffic
45
2014 count
Owner
County
County Highway Agency

About this bridge

C-20.8 Minor Col over Coon Creek is a concrete tee beam carrying C-20.8 Minor Col over Coon Creek in Chase County, Kansas. It was built in 1935, so it is 90 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.

It carries about 45 vehicles a day, projected to reach 54 by 2042. The structure is 37 ft (11.2 m) long and 21 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesC-20.8 Minor Col
CrossesCoon Creek
Location1.7S 0.9E of Cedar Point
RouteCounty Highway 908
StateKansas
Coordinates38.23386, -96.8047
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length37 ft (11.2 m)
Longest span36 ft (10.9 m)
Deck width21 ft (6.3 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic45 (2014)
Projected traffic54 by 2042
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$320,000
NavigationNo navigation control on waterway

Frequently asked questions

When was C-20.8 Minor Col over Coon Creek built?

It was built in 1935, making it 90 years old in 2025.

What condition is C-20.8 Minor Col over Coon 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 May 2024.

How much traffic does C-20.8 Minor Col over Coon Creek carry?

About 45 vehicles per day (2014 count).

How long is C-20.8 Minor Col over Coon Creek?

The structure is 37 ft (11.2 m) long with a longest span of 36 ft (10.9 m) and a deck 21 ft wide.

Who owns C-20.8 Minor Col over Coon Creek?

It is owned by the County Highway Agency.