US Bridges

Mesa Ave over I 25 Ml

Fair

Pueblo County, Colorado · In Pueblo · Structure no. L-18-AU

Built
1957
68 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
260 ft
5 main spans
Daily traffic
1,933
2021 count
Owner
State
State Highway Agency

About this bridge

Mesa Ave over I 25 Ml is a steel continuous stringer/multi-beam or girder carrying Mesa Ave over I 25 Ml in Pueblo County, Colorado. It was built in 1957, so it is 68 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 5 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 1,933 vehicles a day, roughly 5% of them trucks, projected to reach 2,281 by 2041. The structure is 260 ft (79.4 m) long and 52 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesMesa Ave
CrossesI 25 Ml
LocationIn Pueblo
RouteCity Street 0
Coordinates38.24602, -104.61223
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.5 US tons
Inventory rating33.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHL 93
Structure length260 ft (79.4 m)
Longest span62 ft (18.9 m)
Deck width52 ft (15.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,933 (2021)
Projected traffic2,281 by 2041
Trucks5%
Lanes on structure2
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$734,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Mesa Ave over I 25 Ml built?

It was built in 1957, making it 68 years old in 2025.

What condition is Mesa 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 July 2024.

How much traffic does Mesa Ave over I 25 Ml carry?

About 1,933 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Mesa Ave over I 25 Ml?

The structure is 260 ft (79.4 m) long with a longest span of 62 ft (18.9 m) and a deck 52 ft wide.

Who owns Mesa Ave over I 25 Ml?

It is owned by the State Highway Agency.