US Bridges

Ramp to SB I25 over Dirty Woman Creek R

Good

El Paso County, Colorado · Just South of SH 105 · Structure no. H-17-BB

Built
2004
21 years old
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
324 ft
3 main spans
Daily traffic
84,000
2020 count
Owner
State
State Highway Agency

About this bridge

Ramp to SB I25 over Dirty Woman Creek R is a steel continuous stringer/multi-beam or girder carrying Ramp to SB I25 over Dirty Woman Creek R in El Paso County, Colorado. It was built in 2004, so it is 21 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 84,000 vehicles a day, roughly 9% of them trucks, projected to reach 121,800 by 2040. The structure is 324 ft (98.8 m) long and 76 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRamp to SB I25
CrossesDirty Woman Creek R
LocationJust South of SH 105
RouteInterstate 25A
Coordinates39.08959, -104.8643
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.4 US tons
Inventory rating43.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 25 or greater
Structure length324 ft (98.8 m)
Longest span131 ft (40 m)
Deck width76 ft (23.1 m)
Roadway width71 ft (21.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic84,000 (2020)
Projected traffic121,800 by 2040
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Ramp to SB I25 over Dirty Woman Creek R built?

It was built in 2004, making it 21 years old in 2025.

What condition is Ramp to SB I25 over Dirty Woman Creek R in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2025.

How much traffic does Ramp to SB I25 over Dirty Woman Creek R carry?

About 84,000 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is Ramp to SB I25 over Dirty Woman Creek R?

The structure is 324 ft (98.8 m) long with a longest span of 131 ft (40 m) and a deck 76 ft wide.

Who owns Ramp to SB I25 over Dirty Woman Creek R?

It is owned by the State Highway Agency.