US Bridges

US 50 Ml over Ditch

Fair

Prowers County, Colorado · 5.4 MI W of Arkansas St. · Structure no. L-28-AR

Built
1977
48 years old, rebuilt 2007
Condition
Fair
inspected February 2022
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
1,900
2020 count
Owner
State
State Highway Agency

About this bridge

US 50 Ml over Ditch is a concrete culvert carrying US 50 Ml over Ditch in Prowers County, Colorado. It was built in 1977 and reconstructed in 2007, so it is 48 years old, older than the Colorado average of 42.2 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 1,900 vehicles a day, roughly 21% of them trucks, projected to reach 1,938 by 2040. The structure is 23 ft (6.9 m) long and 48 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 50 Ml
CrossesDitch
Location5.4 MI W of Arkansas St.
RouteU.S. Route 50B
Coordinates38.05376, -102.14361
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.8 US tons
Inventory rating43.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (6.9 m)
Longest span11 ft (3.3 m)
Deck width48 ft (14.7 m)
Roadway width45 ft (13.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,900 (2020)
Projected traffic1,938 by 2040
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 US 50 Ml over Ditch built?

It was built in 1977, making it 48 years old in 2025. It was reconstructed in 2007.

What condition is US 50 Ml over Ditch 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 February 2022.

How much traffic does US 50 Ml over Ditch carry?

About 1,900 vehicles per day (2020 count), of which roughly 21% are trucks.

How long is US 50 Ml over Ditch?

The structure is 23 ft (6.9 m) long with a longest span of 11 ft (3.3 m) and a deck 48 ft wide.

Who owns US 50 Ml over Ditch?

It is owned by the State Highway Agency.