US Bridges

I 76 Ml over UP RR

Good

Adams County, Colorado · 1.2 MI NE of JCT I 270 · Structure no. E-17-ADL

Built
2011
14 years old
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
178 ft
3 main spans
Daily traffic
84,000
2020 count
Owner
State
State Highway Agency

About this bridge

I 76 Ml over UP RR is a prestressed concrete continuous box beam or girders - multiple carrying I 76 Ml over UP RR in Adams County, Colorado. It was built in 2011, so it is 14 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 84,000 vehicles a day, roughly 13% of them trucks, projected to reach 123,480 by 2040. The structure is 178 ft (54.3 m) long and 143 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 76 Ml
CrossesUP RR
Location1.2 MI NE of JCT I 270
RouteInterstate 76A
Coordinates39.82859, -104.9441
Functional classUrban Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.2 US tons
Inventory rating25 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length178 ft (54.3 m)
Longest span65 ft (19.8 m)
Deck width143 ft (43.6 m)
Roadway width140 ft (42.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic84,000 (2020)
Projected traffic123,480 by 2040
Trucks13%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$1.3 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I 76 Ml over UP RR built?

It was built in 2011, making it 14 years old in 2025.

What condition is I 76 Ml over UP RR 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 June 2023.

How much traffic does I 76 Ml over UP RR carry?

About 84,000 vehicles per day (2020 count), of which roughly 13% are trucks.

How long is I 76 Ml over UP RR?

The structure is 178 ft (54.3 m) long with a longest span of 65 ft (19.8 m) and a deck 143 ft wide.

Who owns I 76 Ml over UP RR?

It is owned by the State Highway Agency.