US Bridges

I 25 Ml Sbnd over Huerfano River

Fair

Huerfano County, Colorado · 9.4 MI N of SH10-WLSNBRG. · Structure no. N-17-AM

Built
1967
58 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
249 ft
4 main spans
Daily traffic
7,000
2020 count
Owner
State
State Highway Agency

About this bridge

I 25 Ml Sbnd over Huerfano River is a steel continuous stringer/multi-beam or girder carrying I 25 Ml Sbnd over Huerfano River in Huerfano County, Colorado. It was built in 1967, so it is 58 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 7,000 vehicles a day, roughly 15% of them trucks, projected to reach 9,030 by 2040. The structure is 249 ft (75.9 m) long and 34 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 25 Ml Sbnd
CrossesHuerfano River
Location9.4 MI N of SH10-WLSNBRG.
RouteInterstate 25A
Coordinates37.75466, -104.83585
Functional classRural Principal Arterial - Interstate

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.3 US tons
Inventory rating30.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length249 ft (75.9 m)
Longest span69 ft (21 m)
Deck width34 ft (10.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,000 (2020)
Projected traffic9,030 by 2040
Trucks15%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 Ml Sbnd over Huerfano River built?

It was built in 1967, making it 58 years old in 2025.

What condition is I 25 Ml Sbnd over Huerfano River 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 January 2025.

How much traffic does I 25 Ml Sbnd over Huerfano River carry?

About 7,000 vehicles per day (2020 count), of which roughly 15% are trucks.

How long is I 25 Ml Sbnd over Huerfano River?

The structure is 249 ft (75.9 m) long with a longest span of 69 ft (21 m) and a deck 34 ft wide.

Who owns I 25 Ml Sbnd over Huerfano River?

It is owned by the State Highway Agency.