US Bridges

US 50 Ml over Lubers Drainage Ditch

Good

Bent County, Colorado · 19 MI E of Las Animas · Structure no. L-25-D

Built
2004
21 years old
Condition
Good
inspected February 2022
Type
Tee Beam
Prestressed Concrete
Length
101 ft
1 main span
Daily traffic
2,300
2020 count
Owner
State
State Highway Agency

About this bridge

US 50 Ml over Lubers Drainage Ditch is a prestressed concrete tee beam carrying US 50 Ml over Lubers Drainage Ditch in Bent County, Colorado. It was built in 2004, so it is 21 years old, younger than the Colorado average of 42.2 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 2,300 vehicles a day, roughly 22% of them trucks, projected to reach 2,369 by 2040. The structure is 101 ft (30.8 m) long and 47 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS 50 Ml
CrossesLubers Drainage Ditch
Location19 MI E of Las Animas
RouteU.S. Route 50B
Coordinates38.11433, -102.90496
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 inspectionFebruary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating70 US tons
Inventory rating50.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length101 ft (30.8 m)
Longest span96 ft (29.2 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,300 (2020)
Projected traffic2,369 by 2040
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Lubers Drainage Ditch built?

It was built in 2004, making it 21 years old in 2025.

What condition is US 50 Ml over Lubers Drainage Ditch 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 February 2022.

How much traffic does US 50 Ml over Lubers Drainage Ditch carry?

About 2,300 vehicles per day (2020 count), of which roughly 22% are trucks.

How long is US 50 Ml over Lubers Drainage Ditch?

The structure is 101 ft (30.8 m) long with a longest span of 96 ft (29.2 m) and a deck 47 ft wide.

Who owns US 50 Ml over Lubers Drainage Ditch?

It is owned by the State Highway Agency.