US Bridges

20 Road over Trib. to Mule Creek

GoodPosted for load

Comanche County, Kansas · 0.5E 1.4S of Wilmore · Structure no. 000170615006686

Built
1966
59 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
42 ft
4 main spans
Daily traffic
30
2021 count
Owner
County
County Highway Agency

About this bridge

20 Road over Trib. to Mule Creek is a concrete culvert carrying 20 Road over Trib. to Mule Creek in Comanche County, Kansas. It was built in 1966, so it is 59 years old, older 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 30 vehicles a day, roughly 5% of them trucks, projected to reach 36 by 2044. The structure is 42 ft (12.9 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries20 Road
CrossesTrib. to Mule Creek
Location0.5E 1.4S of Wilmore
RouteCounty Highway 0
StateKansas
Coordinates37.31631, -99.20106
Functional classRural Minor Collector

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2024
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating30.2 US tons
Inventory rating18.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadH 15
Structure length42 ft (12.9 m)
Longest span10 ft (3 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic30 (2021)
Projected traffic36 by 2044
Trucks5%
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 20 Road over Trib. to Mule Creek built?

It was built in 1966, making it 59 years old in 2025.

What condition is 20 Road over Trib. to Mule 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 December 2024.

How much traffic does 20 Road over Trib. to Mule Creek carry?

About 30 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is 20 Road over Trib. to Mule Creek?

The structure is 42 ft (12.9 m) long with a longest span of 10 ft (3 m) and a deck 32 ft wide.

Who owns 20 Road over Trib. to Mule Creek?

It is owned by the County Highway Agency.