US Bridges

I 25 Ml over Gonzales Canyon Creek

Poor

Las Animas County, Colorado · In Aguilar · Structure no. O-18-C

Built
1928
97 years old
Condition
Poor
inspected February 2025
Type
Tee Beam
Concrete
Length
122 ft
3 main spans
Daily traffic
790
2020 count
Owner
State
State Highway Agency

About this bridge

I 25 Ml over Gonzales Canyon Creek is a concrete tee beam carrying I 25 Ml over Gonzales Canyon Creek in Las Animas County, Colorado. It was built in 1928, so it is 97 years old, older than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 790 vehicles a day, roughly 2% of them trucks, projected to reach 980 by 2040. The structure is 122 ft (37.2 m) long and 39 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesI 25 Ml
CrossesGonzales Canyon Creek
LocationIn Aguilar
RouteState Highway 25B
Coordinates37.40382, -104.65139
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39 US tons
Inventory rating23 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length122 ft (37.2 m)
Longest span37 ft (11.4 m)
Deck width39 ft (11.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic790 (2020)
Projected traffic980 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible 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 over Gonzales Canyon Creek built?

It was built in 1928, making it 97 years old in 2025.

What condition is I 25 Ml over Gonzales Canyon Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2025.

How much traffic does I 25 Ml over Gonzales Canyon Creek carry?

About 790 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is I 25 Ml over Gonzales Canyon Creek?

The structure is 122 ft (37.2 m) long with a longest span of 37 ft (11.4 m) and a deck 39 ft wide.

Who owns I 25 Ml over Gonzales Canyon Creek?

It is owned by the State Highway Agency.