US Bridges

I 25 Ml Nbnd over I 25 Buss Rt

Fair

Las Animas County, Colorado · Aguilar Int. · Structure no. O-18-BH

Built
1959
66 years old
Condition
Fair
inspected January 2025
Type
Tee Beam
Concrete
Length
94 ft
3 main spans
Daily traffic
6,000
2020 count
Owner
State
State Highway Agency

About this bridge

I 25 Ml Nbnd over I 25 Buss Rt is a concrete tee beam carrying I 25 Ml Nbnd over I 25 Buss Rt in Las Animas County, Colorado. It was built in 1959, so it is 66 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 6,000 vehicles a day, roughly 20% of them trucks, projected to reach 7,140 by 2040. The structure is 94 ft (28.5 m) long and 42 ft wide.

CarriesI 25 Ml Nbnd
CrossesI 25 Buss Rt
LocationAguilar Int.
RouteInterstate 25A
Coordinates37.42723, -104.63923
Functional classRural 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 inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.2 US tons
Inventory rating30.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length94 ft (28.5 m)
Longest span30 ft (9.1 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,000 (2020)
Projected traffic7,140 by 2040
Trucks20%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 I 25 Ml Nbnd over I 25 Buss Rt built?

It was built in 1959, making it 66 years old in 2025.

What condition is I 25 Ml Nbnd over I 25 Buss Rt 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 January 2025.

How much traffic does I 25 Ml Nbnd over I 25 Buss Rt carry?

About 6,000 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is I 25 Ml Nbnd over I 25 Buss Rt?

The structure is 94 ft (28.5 m) long with a longest span of 30 ft (9.1 m) and a deck 42 ft wide.

Who owns I 25 Ml Nbnd over I 25 Buss Rt?

It is owned by the State Highway Agency.