US Bridges

I 25 Service RD over Salt Creek

Fair

Pueblo County, Colorado · ~0.70 MI North of St. Cha · Structure no. L-18-K

Built
1931
94 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
32 ft
1 main span
Daily traffic
474
2021 count
Owner
State
State Highway Agency

About this bridge

I 25 Service RD over Salt Creek is a steel stringer/multi-beam or girder carrying I 25 Service RD over Salt Creek in Pueblo County, Colorado. It was built in 1931, so it is 94 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 474 vehicles a day, roughly 2% of them trucks, projected to reach 560 by 2041. The structure is 32 ft (9.8 m) long and 34 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 25 Service RD
CrossesSalt Creek
Location~0.70 MI North of St. Cha
RouteInterstate 25A
Coordinates38.18952, -104.63385
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.8 US tons
Inventory rating24.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length32 ft (9.8 m)
Longest span29 ft (8.8 m)
Deck width34 ft (10.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic474 (2021)
Projected traffic560 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-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 statusPossibly eligible for the National Register; requires further investigation
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$76,000
NavigationNo navigation control on waterway

Frequently asked questions

When was I 25 Service RD over Salt Creek built?

It was built in 1931, making it 94 years old in 2025.

What condition is I 25 Service RD 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 Service RD over Salt Creek carry?

About 474 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is I 25 Service RD over Salt Creek?

The structure is 32 ft (9.8 m) long with a longest span of 29 ft (8.8 m) and a deck 34 ft wide.

Who owns I 25 Service RD over Salt Creek?

It is owned by the State Highway Agency.