US Bridges

K-23 Highway over Arkansas River

Good

Gray County, Kansas · 0.60 Mi. South of US-50 · Structure no. 999902300350271

Built
1984
41 years old, rebuilt 2020
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
678 ft
12 main spans
Daily traffic
1,898
2023 count
Owner
State
State Highway Agency

About this bridge

K-23 Highway over Arkansas River is a steel continuous stringer/multi-beam or girder carrying K-23 Highway over Arkansas River in Gray County, Kansas. It was built in 1984 and reconstructed in 2020, 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 good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,898 vehicles a day, roughly 21% of them trucks, projected to reach 2,182 by 2044. The structure is 678 ft (206.8 m) long and 30 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

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CarriesK-23 Highway
CrossesArkansas River
Location0.60 Mi. South of US-50
RouteState Highway 23
CountyGray County
StateKansas
Coordinates37.79833, -100.34944
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating82 US tons
Inventory rating49.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans12
Design loadHS 20
Structure length678 ft (206.8 m)
Longest span72 ft (21.9 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,898 (2023)
Projected traffic2,182 by 2044
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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-23 Highway over Arkansas River built?

It was built in 1984, making it 41 years old in 2025. It was reconstructed in 2020.

What condition is K-23 Highway over Arkansas 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 2023.

How much traffic does K-23 Highway over Arkansas River carry?

About 1,898 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is K-23 Highway over Arkansas River?

The structure is 678 ft (206.8 m) long with a longest span of 72 ft (21.9 m) and a deck 30 ft wide.

Who owns K-23 Highway over Arkansas River?

It is owned by the State Highway Agency.