US Bridges

US 50 Ml over UP RR

Fair

Mesa County, Colorado · 0.4 Mi. E. of Jct. I-70 M · Structure no. H-02-GK

Built
1997
28 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
831 ft
8 main spans
Daily traffic
16,000
2020 count
Owner
State
State Highway Agency

About this bridge

US 50 Ml over UP RR is a prestressed concrete continuous stringer/multi-beam or girder carrying US 50 Ml over UP RR in Mesa County, Colorado. It was built in 1997, so it is 28 years old, younger 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 5 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 16,000 vehicles a day, roughly 5% of them trucks, projected to reach 16,640 by 2040. The structure is 831 ft (253.4 m) long and 80 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS 50 Ml
CrossesUP RR
Location0.4 Mi. E. of Jct. I-70 M
RouteU.S. Route 50A
Coordinates39.05922, -108.56434
Functional classUrban Other Principal 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.9 US tons
Inventory rating33.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length831 ft (253.4 m)
Longest span119 ft (36.3 m)
Deck width80 ft (24.3 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,000 (2020)
Projected traffic16,640 by 2040
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
Detour if closed3.1 mi (5 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 UP RR built?

It was built in 1997, making it 28 years old in 2025.

What condition is US 50 Ml over UP RR 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 2025.

How much traffic does US 50 Ml over UP RR carry?

About 16,000 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is US 50 Ml over UP RR?

The structure is 831 ft (253.4 m) long with a longest span of 119 ft (36.3 m) and a deck 80 ft wide.

Who owns US 50 Ml over UP RR?

It is owned by the State Highway Agency.