US Bridges

I25ML Sbnd Ramps over Smith Creek

Fair

El Paso County, Colorado · 5.1 MI S of JCT SH 105 Ml · Structure no. H-17-AL

Built
1957
68 years old, rebuilt 2021
Condition
Fair
inspected February 2025
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
46,000
2020 count
Owner
State
State Highway Agency

About this bridge

I25ML Sbnd Ramps over Smith Creek is a concrete culvert carrying I25ML Sbnd Ramps over Smith Creek in El Paso County, Colorado. It was built in 1957 and reconstructed in 2021, so it is 68 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 46,000 vehicles a day, roughly 10% of them trucks, projected to reach 66,240 by 2040. The structure is 21 ft (6.4 m) long and 387 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI25ML Sbnd Ramps
CrossesSmith Creek
Location5.1 MI S of JCT SH 105 Ml
RouteInterstate 25A
Coordinates39.02352, -104.83349
Functional classUrban 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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating76.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width387 ft (118 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic46,000 (2020)
Projected traffic66,240 by 2040
Trucks10%
Lanes on structure6
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 I25ML Sbnd Ramps over Smith Creek built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 2021.

What condition is I25ML Sbnd Ramps over Smith 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 February 2025.

How much traffic does I25ML Sbnd Ramps over Smith Creek carry?

About 46,000 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is I25ML Sbnd Ramps over Smith Creek?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 387 ft wide.

Who owns I25ML Sbnd Ramps over Smith Creek?

It is owned by the State Highway Agency.