US Bridges

US50 HWY over Alamo Ditch Overflow

Good

Hamilton County, Kansas · 11.68MI E Colo. State LN · Structure no. 999905000380141

Built
1939
86 years old, rebuilt 1970
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
43 ft
5 main spans
Daily traffic
2,483
2023 count
Owner
State
State Highway Agency

About this bridge

US50 HWY over Alamo Ditch Overflow is a concrete culvert carrying US50 HWY over Alamo Ditch Overflow in Hamilton County, Kansas. It was built in 1939 and reconstructed in 1970, so it is 86 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.

It carries about 2,483 vehicles a day, roughly 24% of them trucks, projected to reach 2,533 by 2044. The structure is 43 ft (13.2 m) long and 50 ft wide.

CarriesUS50 HWY
CrossesAlamo Ditch Overflow
Location11.68MI E Colo. State LN
RouteU.S. Route 50
StateKansas
Coordinates38.0025, -101.83861
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30 US tons
Inventory rating18 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length43 ft (13.2 m)
Longest span8 ft (2.4 m)
Deck width50 ft (15.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,483 (2023)
Projected traffic2,533 by 2044
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Alamo Ditch Overflow built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1970.

What condition is US50 HWY over Alamo Ditch Overflow 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 Alamo Ditch Overflow carry?

About 2,483 vehicles per day (2023 count), of which roughly 24% are trucks.

How long is US50 HWY over Alamo Ditch Overflow?

The structure is 43 ft (13.2 m) long with a longest span of 8 ft (2.4 m) and a deck 50 ft wide.

Who owns US50 HWY over Alamo Ditch Overflow?

It is owned by the State Highway Agency.