US Bridges

Sterling RD 14.90 over Ninnescah River

Fair

Reno County, Kansas · 2.1 S 3.0 W of Abbyville · Structure no. 000000000780160

Built
1976
49 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete Continuous
Length
112 ft
3 main spans
Daily traffic
188
2021 count
Owner
County
County Highway Agency

About this bridge

Sterling RD 14.90 over Ninnescah River is a concrete continuous slab carrying Sterling RD 14.90 over Ninnescah River in Reno County, Kansas. It was built in 1976, so it is 49 years old, younger 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 188 vehicles a day, roughly 10% of them trucks, projected to reach 175 by 2046. The structure is 112 ft (34.1 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSterling RD 14.90
CrossesNinnescah River
Location2.1 S 3.0 W of Abbyville
RouteCounty Highway 507
CountyReno County
StateKansas
Coordinates37.93979, -98.25201
Functional classRural Major 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length112 ft (34.1 m)
Longest span44 ft (13.4 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic188 (2021)
Projected traffic175 by 2046
Trucks10%
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 Sterling RD 14.90 over Ninnescah River built?

It was built in 1976, making it 49 years old in 2025.

What condition is Sterling RD 14.90 over Ninnescah River 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 July 2024.

How much traffic does Sterling RD 14.90 over Ninnescah River carry?

About 188 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Sterling RD 14.90 over Ninnescah River?

The structure is 112 ft (34.1 m) long with a longest span of 44 ft (13.4 m) and a deck 30 ft wide.

Who owns Sterling RD 14.90 over Ninnescah River?

It is owned by the County Highway Agency.