US Bridges

SH 105 Ml over Dirty Woman Creek

Fair

El Paso County, Colorado · E of I25/MONUMNT.INT. · Structure no. H-17-DA

Built
2004
21 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
78 ft
1 main span
Daily traffic
19,000
2020 count
Owner
State
State Highway Agency

About this bridge

SH 105 Ml over Dirty Woman Creek is a steel stringer/multi-beam or girder carrying SH 105 Ml over Dirty Woman Creek 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 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 19,000 vehicles a day, roughly 3% of them trucks, projected to reach 26,410 by 2040. The structure is 78 ft (23.8 m) long and 82 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 105 Ml
CrossesDirty Woman Creek
LocationE of I25/MONUMNT.INT.
RouteState Highway 105A
Coordinates39.09318, -104.85832
Functional classUrban Minor Arterial

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 inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating52.5 US tons
Inventory rating40.3 US tons

Structure

MaterialSteel
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length78 ft (23.8 m)
Longest span75 ft (23 m)
Deck width82 ft (24.9 m)
Roadway width73 ft (22.2 m)
Vertical clearance over deck56 ft (17.1 m)

Traffic and service

Average daily traffic19,000 (2020)
Projected traffic26,410 by 2040
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 SH 105 Ml over Dirty Woman Creek built?

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

What condition is SH 105 Ml over Dirty Woman 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 2024.

How much traffic does SH 105 Ml over Dirty Woman Creek carry?

About 19,000 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is SH 105 Ml over Dirty Woman Creek?

The structure is 78 ft (23.8 m) long with a longest span of 75 ft (23 m) and a deck 82 ft wide.

Who owns SH 105 Ml over Dirty Woman Creek?

It is owned by the State Highway Agency.