US Bridges

US50 HWY over Arkansas River Drainage

GoodPosted for load

Hamilton County, Kansas · 3.55 MI E K27 Ejct · Structure no. 999905000380271

Built
1933
92 years old, rebuilt 1962
Condition
Good
inspected May 2023
Type
Slab
Concrete Continuous
Length
164 ft
5 main spans
Daily traffic
2,257
2023 count
Owner
State
State Highway Agency

About this bridge

US50 HWY over Arkansas River Drainage is a concrete continuous slab carrying US50 HWY over Arkansas River Drainage in Hamilton County, Kansas. It was built in 1933 and reconstructed in 1962, so it is 92 years old, older 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. Its operating status is: posted for other load-capacity restriction.

It carries about 2,257 vehicles a day, roughly 49% of them trucks, projected to reach 2,303 by 2044. The structure is 164 ft (49.9 m) long and 46 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

CarriesUS50 HWY
CrossesArkansas River Drainage
Location3.55 MI E K27 Ejct
RouteU.S. Route 50
StateKansas
Coordinates37.96583, -101.69056
Functional classRural Principal Arterial - Other

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating27 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length164 ft (49.9 m)
Longest span32 ft (9.9 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,257 (2023)
Projected traffic2,303 by 2044
Trucks49%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 km)
TollOn a free road
National Highway SystemYes

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 US50 HWY over Arkansas River Drainage built?

It was built in 1933, making it 92 years old in 2025. It was reconstructed in 1962.

What condition is US50 HWY over Arkansas River Drainage 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 US50 HWY over Arkansas River Drainage carry?

About 2,257 vehicles per day (2023 count), of which roughly 49% are trucks.

How long is US50 HWY over Arkansas River Drainage?

The structure is 164 ft (49.9 m) long with a longest span of 32 ft (9.9 m) and a deck 46 ft wide.

Who owns US50 HWY over Arkansas River Drainage?

It is owned by the State Highway Agency.