US Bridges

I 25 Sbnd Ramp over I 25 Ml

Good

Denver County, Colorado · JCT I25 + SH6 in Denver · Structure no. F-16-OL

Built
1989
36 years old
Condition
Good
inspected March 2024
Type
Box Beam or Girders - Single or Spread
Steel Continuous
Length
1,194 ft
10 main spans
Daily traffic
107,500
2020 count
Owner
State
State Highway Agency

About this bridge

I 25 Sbnd Ramp over I 25 Ml is a steel continuous box beam or girders - single or spread carrying I 25 Sbnd Ramp over I 25 Ml in Denver County, Colorado. It was built in 1989, so it is 36 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 107,500 vehicles a day, roughly 6% of them trucks, projected to reach 123,625 by 2040. The structure is 1,194 ft (363.9 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesI 25 Sbnd Ramp
CrossesI 25 Ml
LocationJCT I25 + SH6 in Denver
RouteInterstate 25A
Coordinates39.72374, -105.01235
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating14.3 US tons
Inventory rating11 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans10
Design loadHL 93
Structure length1,194 ft (363.9 m)
Longest span173 ft (52.6 m)
Deck width34 ft (10.4 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic107,500 (2020)
Projected traffic123,625 by 2040
Trucks6%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I 25 Sbnd Ramp over I 25 Ml built?

It was built in 1989, making it 36 years old in 2025.

What condition is I 25 Sbnd Ramp over I 25 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 March 2024.

How much traffic does I 25 Sbnd Ramp over I 25 Ml carry?

About 107,500 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is I 25 Sbnd Ramp over I 25 Ml?

The structure is 1,194 ft (363.9 m) long with a longest span of 173 ft (52.6 m) and a deck 34 ft wide.

Who owns I 25 Sbnd Ramp over I 25 Ml?

It is owned by the State Highway Agency.