US Bridges

K-51 HWY over Cimarron River

Good

Morton County, Kansas · 10.53 MI SE Njct K-27 · Structure no. 999905100650101

Built
1997
28 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
1,060 ft
6 main spans
Daily traffic
575
2023 count
Owner
State
State Highway Agency

About this bridge

K-51 HWY over Cimarron River is a prestressed concrete continuous stringer/multi-beam or girder carrying K-51 HWY over Cimarron River in Morton County, Kansas. It was built in 1997, so it is 28 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.

It carries about 575 vehicles a day, roughly 37% of them trucks, projected to reach 688 by 2044. The structure is 1,060 ft (323.1 m) long and 34 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesK-51 HWY
CrossesCimarron River
Location10.53 MI SE Njct K-27
RouteState Highway 51
StateKansas
Coordinates37.21833, -101.64056
Functional classRural Major 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 protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating96.3 US tons
Inventory rating45.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans6 (+6 approach)
Design loadHS 20
Structure length1,060 ft (323.1 m)
Longest span91 ft (27.7 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic575 (2023)
Projected traffic688 by 2044
Trucks37%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 K-51 HWY over Cimarron River built?

It was built in 1997, making it 28 years old in 2025.

What condition is K-51 HWY over Cimarron River 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 May 2024.

How much traffic does K-51 HWY over Cimarron River carry?

About 575 vehicles per day (2023 count), of which roughly 37% are trucks.

How long is K-51 HWY over Cimarron River?

The structure is 1,060 ft (323.1 m) long with a longest span of 91 ft (27.7 m) and a deck 34 ft wide.

Who owns K-51 HWY over Cimarron River?

It is owned by the State Highway Agency.