US Bridges

23 Road over N. Fork Cimarron River

FairPosted for load

Morton County, Kansas · 3.0N 7.0E of Richfield · Structure no. 000000000650020

Built
1984
41 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete Continuous
Length
181 ft
5 main spans
Daily traffic
290
2022 count
Owner
County
County Highway Agency

About this bridge

23 Road over N. Fork Cimarron River is a concrete continuous slab carrying 23 Road over N. Fork Cimarron River in Morton County, Kansas. It was built in 1984, so it is 41 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 6 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 290 vehicles a day, roughly 10% of them trucks, projected to reach 605 by 2041. The structure is 181 ft (55.2 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
Carries23 Road
CrossesN. Fork Cimarron River
Location3.0N 7.0E of Richfield
RouteCounty Highway 480
CountyMorton County
StateKansas
Coordinates37.30183, -101.64647
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating9.3 US tons
Inventory rating5.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length181 ft (55.2 m)
Longest span39 ft (11.8 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic290 (2022)
Projected traffic605 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$1,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 23 Road over N. Fork Cimarron River built?

It was built in 1984, making it 41 years old in 2025.

What condition is 23 Road over N. Fork Cimarron 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 November 2023.

How much traffic does 23 Road over N. Fork Cimarron River carry?

About 290 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is 23 Road over N. Fork Cimarron River?

The structure is 181 ft (55.2 m) long with a longest span of 39 ft (11.8 m) and a deck 27 ft wide.

Who owns 23 Road over N. Fork Cimarron River?

It is owned by the County Highway Agency.