US Bridges

I25 Ml over Lrt

Fair

Denver County, Colorado · Lrt to I225 Lrt under I25 · Structure no. F-17-PS

Built
2004
21 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
53 ft
1 main span
Daily traffic
223,000
2020 count
Owner
State
State Highway Agency

About this bridge

I25 Ml over Lrt is a prestressed concrete stringer/multi-beam or girder carrying I25 Ml over Lrt in Denver County, Colorado. It was built in 2004, so it is 21 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 6 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 223,000 vehicles a day, roughly 5% of them trucks, projected to reach 276,520 by 2040. The structure is 53 ft (16.3 m) long and 220 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI25 Ml
CrossesLrt
LocationLrt to I225 Lrt under I25
RouteInterstate 25A
Coordinates39.63459, -104.90683
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating50.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length53 ft (16.3 m)
Longest span51 ft (15.4 m)
Deck width220 ft (67 m)
Roadway width148 ft (45.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic223,000 (2020)
Projected traffic276,520 by 2040
Trucks5%
Lanes on structure9
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 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 I25 Ml over Lrt built?

It was built in 2004, making it 21 years old in 2025.

What condition is I25 Ml over Lrt 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 March 2024.

How much traffic does I25 Ml over Lrt carry?

About 223,000 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is I25 Ml over Lrt?

The structure is 53 ft (16.3 m) long with a longest span of 51 ft (15.4 m) and a deck 220 ft wide.

Who owns I25 Ml over Lrt?

It is owned by the State Highway Agency.