US Bridges

I 25 Ml Sbnd over Greasewood Arroyo

Fair

Huerfano County, Colorado · 11.8 Miles North of Walse · Structure no. M-17-BB

Built
1967
58 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
7,000
2020 count
Owner
State
State Highway Agency

About this bridge

I 25 Ml Sbnd over Greasewood Arroyo is a prestressed concrete stringer/multi-beam or girder carrying I 25 Ml Sbnd over Greasewood Arroyo 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 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 7,000 vehicles a day, roughly 15% of them trucks, projected to reach 9,030 by 2040. The structure is 60 ft (18.3 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 25 Ml Sbnd
CrossesGreasewood Arroyo
Location11.8 Miles North of Walse
RouteInterstate 25A
Coordinates37.78866, -104.83134
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.1 US tons
Inventory rating22 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span58 ft (17.7 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (12 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$354,000
NavigationNo navigation control on waterway

Frequently asked questions

When was I 25 Ml Sbnd over Greasewood Arroyo built?

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

What condition is I 25 Ml Sbnd over Greasewood Arroyo 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 Ml Sbnd over Greasewood Arroyo carry?

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

How long is I 25 Ml Sbnd over Greasewood Arroyo?

The structure is 60 ft (18.3 m) long with a longest span of 58 ft (17.7 m) and a deck 42 ft wide.

Who owns I 25 Ml Sbnd over Greasewood Arroyo?

It is owned by the State Highway Agency.