US Bridges

Centennial RD.9.45 over Trib. N. Fork Ninnescah

FairPosted for load

Reno County, Kansas · 0.6S 7.0W of Castleton · Structure no. 000780737005945

Built
1979
46 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
39 ft
2 main spans
Daily traffic
10
2021 count
Owner
County
County Highway Agency

About this bridge

Centennial RD.9.45 over Trib. N. Fork Ninnescah is a wood or timber stringer/multi-beam or girder carrying Centennial RD.9.45 over Trib. N. Fork Ninnescah in Reno County, Kansas. It was built in 1979, so it is 46 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. Its operating status is: posted for load restriction.

It carries about 10 vehicles a day, roughly 5% of them trucks, projected to reach 10 by 2046. The structure is 39 ft (11.9 m) long and 23 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCentennial RD.9.45
CrossesTrib. N. Fork Ninnescah
Location0.6S 7.0W of Castleton
RouteCounty Highway 0
CountyReno County
StateKansas
Coordinates37.86128, -98.10524
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating17.2 US tons
Inventory rating12.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadUnknown
Structure length39 ft (11.9 m)
Longest span19 ft (5.7 m)
Deck width23 ft (6.9 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic10 (2021)
Projected traffic10 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 Centennial RD.9.45 over Trib. N. Fork Ninnescah built?

It was built in 1979, making it 46 years old in 2025.

What condition is Centennial RD.9.45 over Trib. N. Fork Ninnescah 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 Centennial RD.9.45 over Trib. N. Fork Ninnescah carry?

About 10 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Centennial RD.9.45 over Trib. N. Fork Ninnescah?

The structure is 39 ft (11.9 m) long with a longest span of 19 ft (5.7 m) and a deck 23 ft wide.

Who owns Centennial RD.9.45 over Trib. N. Fork Ninnescah?

It is owned by the County Highway Agency.