US Bridges

I 25 Ml over US 85 Ml

Good

Denver County, Colorado · In Denver · Structure no. F-16-XS

Built
2013
12 years old
Condition
Good
inspected June 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
547 ft
3 main spans
Daily traffic
172,000
2020 count
Owner
State
State Highway Agency

About this bridge

I 25 Ml over US 85 Ml is a prestressed concrete continuous box beam or girders - single or spread carrying I 25 Ml over US 85 Ml in Denver County, Colorado. It was built in 2013, so it is 12 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 172,000 vehicles a day, roughly 6% of them trucks, projected to reach 202,960 by 2040. The structure is 547 ft (166.7 m) long and 149 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 25 Ml
CrossesUS 85 Ml
LocationIn Denver
RouteInterstate 25A
Coordinates39.70622, -104.99617
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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating7.2 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHL 93
Structure length547 ft (166.7 m)
Longest span240 ft (73.2 m)
Deck width149 ft (45.4 m)
Roadway width142 ft (43.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic172,000 (2020)
Projected traffic202,960 by 2040
Trucks6%
Lanes on structure8
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4.7 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I 25 Ml over US 85 Ml built?

It was built in 2013, making it 12 years old in 2025.

What condition is I 25 Ml over US 85 Ml 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 2024.

How much traffic does I 25 Ml over US 85 Ml carry?

About 172,000 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is I 25 Ml over US 85 Ml?

The structure is 547 ft (166.7 m) long with a longest span of 240 ft (73.2 m) and a deck 149 ft wide.

Who owns I 25 Ml over US 85 Ml?

It is owned by the State Highway Agency.