US Bridges

I 25 Ml Sbnd over Rock Creek

Fair

El Paso County, Colorado · 5.6 MI SE of JCT US 85 · Structure no. J-18-G

Built
1958
67 years old
Condition
Fair
inspected August 2024
Type
Tee Beam
Concrete
Length
63 ft
2 main spans
Daily traffic
20,500
2020 count
Owner
State
State Highway Agency

About this bridge

I 25 Ml Sbnd over Rock Creek is a concrete tee beam carrying I 25 Ml Sbnd over Rock Creek in El Paso County, Colorado. It was built in 1958, so it is 67 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 20,500 vehicles a day, roughly 12% of them trucks, projected to reach 27,880 by 2040. The structure is 63 ft (19.3 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 25 Ml Sbnd
CrossesRock Creek
Location5.6 MI SE of JCT US 85
RouteInterstate 25A
Coordinates38.59722, -104.67508
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to 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 rating48.9 US tons
Inventory rating29.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckOther
Main spans2
Design loadHS 20
Structure length63 ft (19.3 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 traffic20,500 (2020)
Projected traffic27,880 by 2040
Trucks12%
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I 25 Ml Sbnd over Rock Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is I 25 Ml Sbnd over Rock 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 August 2024.

How much traffic does I 25 Ml Sbnd over Rock Creek carry?

About 20,500 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is I 25 Ml Sbnd over Rock Creek?

The structure is 63 ft (19.3 m) long with a longest span of 30 ft (9.1 m) and a deck 42 ft wide.

Who owns I 25 Ml Sbnd over Rock Creek?

It is owned by the State Highway Agency.