US Bridges

I 25 Bus Rt over I 25 Ml

Fair

Huerfano County, Colorado · 2.2 Miles North of JCT US · Structure no. N-17-BJ

Built
1963
62 years old
Condition
Fair
inspected February 2025
Type
Tee Beam
Concrete Continuous
Length
268 ft
4 main spans
Daily traffic
6,000
2020 count
Owner
State
State Highway Agency

About this bridge

I 25 Bus Rt over I 25 Ml is a concrete continuous tee beam carrying I 25 Bus Rt over I 25 Ml in Huerfano County, Colorado. It was built in 1963, so it is 62 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 12% of them trucks, projected to reach 6,480 by 2040. The structure is 268 ft (81.8 m) long and 32 ft wide.

CarriesI 25 Bus Rt
CrossesI 25 Ml
Location2.2 Miles North of JCT US
RouteState Highway 25C
Coordinates37.65702, -104.79347
Functional classRural Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating40.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length268 ft (81.8 m)
Longest span76 ft (23.2 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,000 (2020)
Projected traffic6,480 by 2040
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

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$598,000
NavigationNo navigation control on waterway

Frequently asked questions

When was I 25 Bus Rt over I 25 Ml built?

It was built in 1963, making it 62 years old in 2025.

What condition is I 25 Bus Rt over I 25 Ml 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 February 2025.

How much traffic does I 25 Bus Rt over I 25 Ml carry?

About 6,000 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is I 25 Bus Rt over I 25 Ml?

The structure is 268 ft (81.8 m) long with a longest span of 76 ft (23.2 m) and a deck 32 ft wide.

Who owns I 25 Bus Rt over I 25 Ml?

It is owned by the State Highway Agency.