US Bridges

Irish Crk RD.28.55 over Trib. N. Fk. Ninnescah

Good

Reno County, Kansas · 1.0N of Castleton · Structure no. 000780751505920

Built
1980
45 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
14
2021 count
Owner
County
County Highway Agency

About this bridge

Irish Crk RD.28.55 over Trib. N. Fk. Ninnescah is a concrete culvert carrying Irish Crk RD.28.55 over Trib. N. Fk. Ninnescah in Reno County, Kansas. It was built in 1980, so it is 45 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.

It carries about 14 vehicles a day, roughly 5% of them trucks, projected to reach 15 by 2046. The structure is 31 ft (9.4 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIrish Crk RD.28.55
CrossesTrib. N. Fk. Ninnescah
Location1.0N of Castleton
RouteCounty Highway 0
StateKansas
Coordinates37.88317, -97.96672
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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.1 US tons
Inventory rating23.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 20
Structure length31 ft (9.4 m)
Longest span10 ft (3 m)
Deck width30 ft (9 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic14 (2021)
Projected traffic15 by 2046
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 Irish Crk RD.28.55 over Trib. N. Fk. Ninnescah built?

It was built in 1980, making it 45 years old in 2025.

What condition is Irish Crk RD.28.55 over Trib. N. Fk. Ninnescah 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 July 2024.

How much traffic does Irish Crk RD.28.55 over Trib. N. Fk. Ninnescah carry?

About 14 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Irish Crk RD.28.55 over Trib. N. Fk. Ninnescah?

The structure is 31 ft (9.4 m) long with a longest span of 10 ft (3 m) and a deck 30 ft wide.

Who owns Irish Crk RD.28.55 over Trib. N. Fk. Ninnescah?

It is owned by the County Highway Agency.