US Bridges

15th Street over I 25 Ml

Good

Denver County, Colorado · In Denver · Structure no. E-16-YA

Built
2011
14 years old
Condition
Good
inspected July 2024
Type
Girder and Floorbeam System
Steel Continuous
Length
239 ft
2 main spans
Daily traffic
10,083
2024 count
Owner
State
State Highway Agency

About this bridge

15th Street over I 25 Ml is a steel continuous girder and floorbeam system carrying 15th Street over I 25 Ml in Denver 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 10,083 vehicles a day, projected to reach 11,192 by 2044. The structure is 239 ft (72.8 m) long and 67 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Carries15th Street
CrossesI 25 Ml
LocationIn Denver
RouteCity Street 0
Coordinates39.75729, -105.01052
Functional classUrban Collector

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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.1 US tons
Inventory rating40 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length239 ft (72.8 m)
Longest span124 ft (37.7 m)
Deck width67 ft (20.3 m)
Roadway width46 ft (13.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,083 (2024)
Projected traffic11,192 by 2044
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

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 15th Street over I 25 Ml built?

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

What condition is 15th Street 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 July 2024.

How much traffic does 15th Street over I 25 Ml carry?

About 10,083 vehicles per day (2024 count).

How long is 15th Street over I 25 Ml?

The structure is 239 ft (72.8 m) long with a longest span of 124 ft (37.7 m) and a deck 67 ft wide.

Who owns 15th Street over I 25 Ml?

It is owned by the State Highway Agency.