US Bridges

I 25 Ml Sbnd over Timber Canyon

Fair

Las Animas County, Colorado · 10.9 MI S. of Aguilar Int · Structure no. O-18-CN

Built
1997
28 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
192 ft
2 main spans
Daily traffic
6,000
2020 count
Owner
State
State Highway Agency

About this bridge

I 25 Ml Sbnd over Timber Canyon is a prestressed concrete continuous stringer/multi-beam or girder carrying I 25 Ml Sbnd over Timber Canyon in Las Animas County, Colorado. It was built in 1997, so it is 28 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 6,000 vehicles a day, roughly 20% of them trucks, projected to reach 7,140 by 2040. The structure is 192 ft (58.4 m) long and 40 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 25 Ml Sbnd
CrossesTimber Canyon
Location10.9 MI S. of Aguilar Int
RouteInterstate 25A
Coordinates37.29604, -104.52988
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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96 US tons
Inventory rating57.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length192 ft (58.4 m)
Longest span94 ft (28.8 m)
Deck width40 ft (12.3 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
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 Timber Canyon built?

It was built in 1997, making it 28 years old in 2025.

What condition is I 25 Ml Sbnd over Timber Canyon 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 Timber Canyon carry?

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

How long is I 25 Ml Sbnd over Timber Canyon?

The structure is 192 ft (58.4 m) long with a longest span of 94 ft (28.8 m) and a deck 40 ft wide.

Who owns I 25 Ml Sbnd over Timber Canyon?

It is owned by the State Highway Agency.