US Bridges

Y-20.9 Local over Coal Creek

GoodPosted for load

Ottawa County, Kansas · 3.1N 1.0W of Niles · Structure no. 000720805004349

Built
1995
30 years old
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
79 ft
3 main spans
Daily traffic
30
2001 count
Owner
County
County Highway Agency

About this bridge

Y-20.9 Local over Coal Creek is a steel continuous stringer/multi-beam or girder carrying Y-20.9 Local over Coal Creek in Ottawa County, Kansas. It was built in 1995, so it is 30 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 30 vehicles a day, projected to reach 30 by 2045. The structure is 79 ft (24.1 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesY-20.9 Local
CrossesCoal Creek
Location3.1N 1.0W of Niles
RouteCounty Highway 0
StateKansas
Coordinates39.01599, -97.48246
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26.9 US tons
Inventory rating16.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length79 ft (24.1 m)
Longest span32 ft (9.8 m)
Deck width26 ft (7.9 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic30 (2001)
Projected traffic30 by 2045
Trucks0%
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 Y-20.9 Local over Coal Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is Y-20.9 Local over Coal 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 February 2025.

How much traffic does Y-20.9 Local over Coal Creek carry?

About 30 vehicles per day (2001 count).

How long is Y-20.9 Local over Coal Creek?

The structure is 79 ft (24.1 m) long with a longest span of 32 ft (9.8 m) and a deck 26 ft wide.

Who owns Y-20.9 Local over Coal Creek?

It is owned by the County Highway Agency.