US Bridges

I 25 Ml Sbnd over Apishapa River

Fair

Las Animas County, Colorado · 1.3 Miles South of Aguila · Structure no. O-18-BY

Built
1959
66 years old
Condition
Fair
inspected October 2024
Type
Tee Beam
Concrete
Length
293 ft
5 main spans
Daily traffic
6,000
2020 count
Owner
State
State Highway Agency

About this bridge

I 25 Ml Sbnd over Apishapa River is a concrete tee beam carrying I 25 Ml Sbnd over Apishapa River 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 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 6,000 vehicles a day, roughly 20% of them trucks, projected to reach 7,140 by 2040. The structure is 293 ft (89.2 m) long and 34 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 25 Ml Sbnd
CrossesApishapa River
Location1.3 Miles South of Aguila
RouteInterstate 25A
Coordinates37.41078, -104.6275
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.8 US tons
Inventory rating36.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckOther
Main spans5
Design loadHS 20 + Mod
Structure length293 ft (89.2 m)
Longest span57 ft (17.4 m)
Deck width34 ft (10.4 m)
Roadway width30 ft (9.1 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
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 I 25 Ml Sbnd over Apishapa River built?

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

What condition is I 25 Ml Sbnd over Apishapa River 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 October 2024.

How much traffic does I 25 Ml Sbnd over Apishapa River carry?

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

How long is I 25 Ml Sbnd over Apishapa River?

The structure is 293 ft (89.2 m) long with a longest span of 57 ft (17.4 m) and a deck 34 ft wide.

Who owns I 25 Ml Sbnd over Apishapa River?

It is owned by the State Highway Agency.