US Bridges

I 25 Bus Rt over Canal

Fair

Huerfano County, Colorado · In Walsenburg · Structure no. N-17-O

Built
1934
91 years old
Condition
Fair
inspected February 2025
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
6,700
2020 count
Owner
State
State Highway Agency

About this bridge

I 25 Bus Rt over Canal is a concrete culvert carrying I 25 Bus Rt over Canal in Huerfano County, Colorado. It was built in 1934, so it is 91 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 6,700 vehicles a day, roughly 6% of them trucks, projected to reach 7,303 by 2040. The structure is 23 ft (6.9 m) long and 44 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 25 Bus Rt
CrossesCanal
LocationIn Walsenburg
RouteState Highway 25C
Coordinates37.63373, -104.78831
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.2 US tons
Inventory rating48.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length23 ft (6.9 m)
Longest span10 ft (3 m)
Deck width44 ft (13.4 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,700 (2020)
Projected traffic7,303 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
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 Canal built?

It was built in 1934, making it 91 years old in 2025.

What condition is I 25 Bus Rt over Canal 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 Canal carry?

About 6,700 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is I 25 Bus Rt over Canal?

The structure is 23 ft (6.9 m) long with a longest span of 10 ft (3 m) and a deck 44 ft wide.

Who owns I 25 Bus Rt over Canal?

It is owned by the State Highway Agency.