US Bridges

I 25 Nbnd over Greenhorn Creek

Fair

Pueblo County, Colorado · ~ 2.1 Miles North of Exit · Structure no. M-17-A

Built
1948
77 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
125 ft
1 main span
Daily traffic
7,000
2020 count
Owner
State
State Highway Agency

About this bridge

I 25 Nbnd over Greenhorn Creek is a steel stringer/multi-beam or girder carrying I 25 Nbnd over Greenhorn Creek in Pueblo County, Colorado. It was built in 1948, so it is 77 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 16% of them trucks, projected to reach 8,890 by 2040. The structure is 125 ft (38.1 m) long and 33 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesI 25 Nbnd
CrossesGreenhorn Creek
Location~ 2.1 Miles North of Exit
RouteInterstate 25A
CountyPueblo County
StateColorado
Coordinates37.94954, -104.80264
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionApril 2024
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating34.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+1 approach)
Design loadHS 20
Structure length125 ft (38.1 m)
Longest span81 ft (24.8 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,000 (2020)
Projected traffic8,890 by 2040
Trucks16%
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was I 25 Nbnd over Greenhorn Creek built?

It was built in 1948, making it 77 years old in 2025.

What condition is I 25 Nbnd over Greenhorn Creek 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 April 2024.

How much traffic does I 25 Nbnd over Greenhorn Creek carry?

About 7,000 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is I 25 Nbnd over Greenhorn Creek?

The structure is 125 ft (38.1 m) long with a longest span of 81 ft (24.8 m) and a deck 33 ft wide.

Who owns I 25 Nbnd over Greenhorn Creek?

It is owned by the State Highway Agency.