US Bridges

SH 45 Ml Lake Ave over I 25 Ml

Fair

Pueblo County, Colorado · S. End of Pueblo · Structure no. L-18-BA

Built
1963
62 years old, rebuilt 1985
Condition
Fair
inspected August 2024
Type
Tee Beam
Concrete Continuous
Length
217 ft
4 main spans
Daily traffic
20,000
2020 count
Owner
State
State Highway Agency

About this bridge

SH 45 Ml Lake Ave over I 25 Ml is a concrete continuous tee beam carrying SH 45 Ml Lake Ave over I 25 Ml in Pueblo County, Colorado. It was built in 1963 and reconstructed in 1985, so it is 62 years old, older 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 20,000 vehicles a day, roughly 3% of them trucks, projected to reach 24,800 by 2040. The structure is 217 ft (66.2 m) long and 79 ft wide. If it were closed, the detour would be 62.1 mi (100 km).

CarriesSH 45 Ml Lake Ave
CrossesI 25 Ml
LocationS. End of Pueblo
RouteState Highway 45A
Coordinates38.21686, -104.62068
Functional classUrban Other Principal Arterial

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 inspectionAugust 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 rating45.7 US tons
Inventory rating27.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length217 ft (66.2 m)
Longest span60 ft (18.3 m)
Deck width79 ft (24 m)
Roadway width70 ft (21.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,000 (2020)
Projected traffic24,800 by 2040
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed62.1 mi (100 km)
TollOn a free road
National Highway SystemYes

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 SH 45 Ml Lake Ave over I 25 Ml built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1985.

What condition is SH 45 Ml Lake Ave over I 25 Ml 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 August 2024.

How much traffic does SH 45 Ml Lake Ave over I 25 Ml carry?

About 20,000 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is SH 45 Ml Lake Ave over I 25 Ml?

The structure is 217 ft (66.2 m) long with a longest span of 60 ft (18.3 m) and a deck 79 ft wide.

Who owns SH 45 Ml Lake Ave over I 25 Ml?

It is owned by the State Highway Agency.