US Bridges

I 25 Nbnd Off Ramp over North Commercial Street

Good

Las Animas County, Colorado · I25 over City Street · Structure no. P-18-CM

Built
2010
15 years old
Condition
Good
inspected December 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
490 ft
4 main spans
Daily traffic
16,000
2020 count
Owner
State
State Highway Agency

About this bridge

I 25 Nbnd Off Ramp over North Commercial Street is a prestressed concrete continuous box beam or girders - single or spread carrying I 25 Nbnd Off Ramp over North Commercial Street in Las Animas County, Colorado. It was built in 2010, so it is 15 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 16,000 vehicles a day, roughly 13% of them trucks, projected to reach 20,000 by 2040. The structure is 490 ft (149.2 m) long and 30 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 25 Nbnd Off Ramp
CrossesNorth Commercial Street
LocationI25 over City Street
RouteInterstate 25A
Coordinates37.17134, -104.5099
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating70.1 US tons
Inventory rating42 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans4
Design loadHL 93
Structure length490 ft (149.2 m)
Longest span126 ft (38.4 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,000 (2020)
Projected traffic20,000 by 2040
Trucks13%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 Nbnd Off Ramp over North Commercial Street built?

It was built in 2010, making it 15 years old in 2025.

What condition is I 25 Nbnd Off Ramp over North Commercial Street in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2024.

How much traffic does I 25 Nbnd Off Ramp over North Commercial Street carry?

About 16,000 vehicles per day (2020 count), of which roughly 13% are trucks.

How long is I 25 Nbnd Off Ramp over North Commercial Street?

The structure is 490 ft (149.2 m) long with a longest span of 126 ft (38.4 m) and a deck 30 ft wide.

Who owns I 25 Nbnd Off Ramp over North Commercial Street?

It is owned by the State Highway Agency.