US Bridges

I 25 Bus Rt over I 25 Ml

Fair

Huerfano County, Colorado · So Connect of Walsenburg · Structure no. N-17-AE

Built
1963
62 years old
Condition
Fair
inspected February 2025
Type
Tee Beam
Concrete Continuous
Length
268 ft
4 main spans
Daily traffic
1,200
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 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 1,200 vehicles a day, roughly 10% of them trucks, projected to reach 1,212 by 2040. The structure is 268 ft (81.8 m) long and 32 ft wide.

CarriesI 25 Bus Rt
CrossesI 25 Ml
LocationSo Connect of Walsenburg
RouteState Highway 25C
Coordinates37.61764, -104.75984
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.4 US tons
Inventory rating38.6 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 traffic1,200 (2020)
Projected traffic1,212 by 2040
Trucks10%
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—
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 1,200 vehicles per day (2020 count), of which roughly 10% 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.