US Bridges

K27 HWY over Arkansas River

Fair

Hamilton County, Kansas · 15.77 MI N S CO Line · Structure no. 999902700380391

Built
1952
73 years old, rebuilt 1968
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,136 ft
11 main spans
Daily traffic
2,770
2023 count
Owner
State
State Highway Agency

About this bridge

K27 HWY over Arkansas River is a steel continuous stringer/multi-beam or girder carrying K27 HWY over Arkansas River in Hamilton County, Kansas. It was built in 1952 and reconstructed in 1968, so it is 73 years old, older 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.

It carries about 2,770 vehicles a day, roughly 32% of them trucks, projected to reach 3,314 by 2044. The structure is 1,136 ft (346.2 m) long and 32 ft wide. If it were closed, the detour would be 55.3 mi (89 km).

Location

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CarriesK27 HWY
CrossesArkansas River
Location15.77 MI N S CO Line
RouteState Highway 27
CountyHamilton County
StateKansas
Coordinates37.96556, -101.75667
Functional classRural Minor Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating54 US tons
Inventory rating32 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans11
Design loadHS 20
Structure length1,136 ft (346.2 m)
Longest span130 ft (39.6 m)
Deck width32 ft (9.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,770 (2023)
Projected traffic3,314 by 2044
Trucks32%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed55.3 mi (89 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 K27 HWY over Arkansas River built?

It was built in 1952, making it 73 years old in 2025. It was reconstructed in 1968.

What condition is K27 HWY over Arkansas 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 May 2023.

How much traffic does K27 HWY over Arkansas River carry?

About 2,770 vehicles per day (2023 count), of which roughly 32% are trucks.

How long is K27 HWY over Arkansas River?

The structure is 1,136 ft (346.2 m) long with a longest span of 130 ft (39.6 m) and a deck 32 ft wide.

Who owns K27 HWY over Arkansas River?

It is owned by the State Highway Agency.