US Bridges

I 25 Nbnd over Salt Creek

Fair

Pueblo County, Colorado · 18.3 MI North of JCT SH 1 · Structure no. L-18-BB

Built
1963
62 years old
Condition
Fair
inspected April 2024
Type
Tee Beam
Concrete
Length
63 ft
2 main spans
Daily traffic
7,500
2020 count
Owner
State
State Highway Agency

About this bridge

I 25 Nbnd over Salt Creek is a concrete tee beam carrying I 25 Nbnd over Salt Creek in Pueblo County, Colorado. It was built in 1963, so it is 62 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 7,500 vehicles a day, roughly 14% of them trucks, projected to reach 9,450 by 2040. The structure is 63 ft (19.1 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 25 Nbnd
CrossesSalt Creek
Location18.3 MI North of JCT SH 1
RouteInterstate 25A
Coordinates38.18963, -104.63284
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 protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.2 US tons
Inventory rating33.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length63 ft (19.1 m)
Longest span30 ft (9.1 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 Salt Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is I 25 Nbnd over Salt 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 Salt Creek carry?

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

How long is I 25 Nbnd over Salt Creek?

The structure is 63 ft (19.1 m) long with a longest span of 30 ft (9.1 m) and a deck 42 ft wide.

Who owns I 25 Nbnd over Salt Creek?

It is owned by the State Highway Agency.