US Bridges

I 25 Nbnd over Scroggs Arroyo

Fair

Pueblo County, Colorado · 2.6 Miles North of SH 165 · Structure no. M-17-H

Built
1965
60 years old
Condition
Fair
inspected April 2024
Type
Tee Beam
Concrete Continuous
Length
143 ft
3 main spans
Daily traffic
7,500
2020 count
Owner
State
State Highway Agency

About this bridge

I 25 Nbnd over Scroggs Arroyo is a concrete continuous tee beam carrying I 25 Nbnd over Scroggs Arroyo in Pueblo County, Colorado. It was built in 1965, so it is 60 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 7,500 vehicles a day, roughly 14% of them trucks, projected to reach 9,450 by 2040. The structure is 143 ft (43.6 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 25 Nbnd
CrossesScroggs Arroyo
Location2.6 Miles North of SH 165
RouteInterstate 25A
Coordinates37.99163, -104.76545
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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.5 US tons
Inventory rating26.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length143 ft (43.6 m)
Longest span56 ft (17 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,500 (2020)
Projected traffic9,450 by 2040
Trucks14%
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 Nbnd over Scroggs Arroyo built?

It was built in 1965, making it 60 years old in 2025.

What condition is I 25 Nbnd over Scroggs 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 April 2024.

How much traffic does I 25 Nbnd over Scroggs Arroyo carry?

About 7,500 vehicles per day (2020 count), of which roughly 14% are trucks.

How long is I 25 Nbnd over Scroggs Arroyo?

The structure is 143 ft (43.6 m) long with a longest span of 56 ft (17 m) and a deck 42 ft wide.

Who owns I 25 Nbnd over Scroggs Arroyo?

It is owned by the State Highway Agency.