US Bridges

Logan Street over I-25 Ml & Lrt

Fair

Denver County, Colorado · In Denver T-Rex · Structure no. F-17-NA

Built
2004
21 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
429 ft
5 main spans
Daily traffic
17,402
2024 count
Owner
State
State Highway Agency

About this bridge

Logan Street over I-25 Ml & Lrt is a prestressed concrete continuous stringer/multi-beam or girder carrying Logan Street over I-25 Ml & 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 17,402 vehicles a day, roughly 3% of them trucks, projected to reach 19,316 by 2044. The structure is 429 ft (130.8 m) long and 68 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLogan Street
CrossesI-25 Ml & Lrt
LocationIn Denver T-Rex
RouteCity Street 0
Coordinates39.69659, -104.98268
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.9 US tons
Inventory rating49.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans5
Design loadHS 25 or greater
Structure length429 ft (130.8 m)
Longest span125 ft (38.1 m)
Deck width68 ft (20.8 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,402 (2024)
Projected traffic19,316 by 2044
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Logan Street over I-25 Ml & Lrt built?

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

What condition is Logan Street over I-25 Ml & 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 June 2024.

How much traffic does Logan Street over I-25 Ml & Lrt carry?

About 17,402 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Logan Street over I-25 Ml & Lrt?

The structure is 429 ft (130.8 m) long with a longest span of 125 ft (38.1 m) and a deck 68 ft wide.

Who owns Logan Street over I-25 Ml & Lrt?

It is owned by the State Highway Agency.