US Bridges

Castleton RD.28.70 over Trib North Ninnescah Riv

GoodPosted for load

Reno County, Kansas · At Castleton · Structure no. 000780751805940

Built
1980
45 years old, rebuilt 2012
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
51 ft
2 main spans
Daily traffic
166
2021 count
Owner
County
County Highway Agency

About this bridge

Castleton RD.28.70 over Trib North Ninnescah Riv is a steel continuous stringer/multi-beam or girder carrying Castleton RD.28.70 over Trib North Ninnescah Riv in Reno County, Kansas. It was built in 1980 and reconstructed in 2012, 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. Its operating status is: posted for load restriction.

It carries about 166 vehicles a day, roughly 37% of them trucks, projected to reach 200 by 2046. The structure is 51 ft (15.4 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCastleton RD.28.70
CrossesTrib North Ninnescah Riv
LocationAt Castleton
RouteCounty Highway 7810
StateKansas
Coordinates37.86853, -97.96566
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
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 rating10.3 US tons
Inventory rating6.1 US tons

Structure

MaterialSteel Continuous
DeckCorrugated steel
Main spans2
Design loadUnknown
Structure length51 ft (15.4 m)
Longest span25 ft (7.6 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic166 (2021)
Projected traffic200 by 2046
Trucks37%
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$390,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Castleton RD.28.70 over Trib North Ninnescah Riv built?

It was built in 1980, making it 45 years old in 2025. It was reconstructed in 2012.

What condition is Castleton RD.28.70 over Trib North Ninnescah Riv 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 Castleton RD.28.70 over Trib North Ninnescah Riv carry?

About 166 vehicles per day (2021 count), of which roughly 37% are trucks.

How long is Castleton RD.28.70 over Trib North Ninnescah Riv?

The structure is 51 ft (15.4 m) long with a longest span of 25 ft (7.6 m) and a deck 29 ft wide.

Who owns Castleton RD.28.70 over Trib North Ninnescah Riv?

It is owned by the County Highway Agency.