US Bridges

Centennial RD.8.75 over North Fork of Ninnescah

PoorPosted for load

Reno County, Kansas · 4.0E 3.2S of Arlington · Structure no. 000780737005962

Built
1968
57 years old, rebuilt 1980
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
208 ft
11 main spans
Daily traffic
19
2021 count
Owner
County
County Highway Agency

About this bridge

Centennial RD.8.75 over North Fork of Ninnescah is a wood or timber stringer/multi-beam or girder carrying Centennial RD.8.75 over North Fork of Ninnescah in Reno County, Kansas. It was built in 1968 and reconstructed in 1980, so it is 57 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 19 vehicles a day, roughly 5% of them trucks, projected to reach 20 by 2046. The structure is 208 ft (63.4 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCentennial RD.8.75
CrossesNorth Fork of Ninnescah
Location4.0E 3.2S of Arlington
RouteCounty Highway 0
StateKansas
Coordinates37.84993, -98.10525
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25.5 US tons
Inventory rating18 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans11
Design loadUnknown
Structure length208 ft (63.4 m)
Longest span19 ft (5.7 m)
Deck width22 ft (6.7 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic19 (2021)
Projected traffic20 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Centennial RD.8.75 over North Fork of Ninnescah built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 1980.

What condition is Centennial RD.8.75 over North Fork of Ninnescah in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does Centennial RD.8.75 over North Fork of Ninnescah carry?

About 19 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Centennial RD.8.75 over North Fork of Ninnescah?

The structure is 208 ft (63.4 m) long with a longest span of 19 ft (5.7 m) and a deck 22 ft wide.

Who owns Centennial RD.8.75 over North Fork of Ninnescah?

It is owned by the County Highway Agency.