US Bridges

Liberty Boulevard over Cottonwood Creek

Good

Douglas County, Colorado · .1 MI East of Jamaica ST · Structure no. DOU08C-00.60

Built
2002
23 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
92 ft
1 main span
Daily traffic
1,340
2022 count
Owner
County
County Highway Agency

About this bridge

Liberty Boulevard over Cottonwood Creek is a prestressed concrete stringer/multi-beam or girder carrying Liberty Boulevard over Cottonwood Creek in Douglas County, Colorado. It was built in 2002, so it is 23 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 1,340 vehicles a day, roughly 2% of them trucks, projected to reach 1,796 by 2042. The structure is 92 ft (27.9 m) long and 78 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLiberty Boulevard
CrossesCottonwood Creek
Location.1 MI East of Jamaica ST
RouteCounty Highway 0
Coordinates39.5577, -104.86188
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating87 US tons
Inventory rating47 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length92 ft (27.9 m)
Longest span87 ft (26.6 m)
Deck width78 ft (23.9 m)
Roadway width62 ft (18.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,340 (2022)
Projected traffic1,796 by 2042
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Liberty Boulevard over Cottonwood Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is Liberty Boulevard over Cottonwood Creek 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 January 2025.

How much traffic does Liberty Boulevard over Cottonwood Creek carry?

About 1,340 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Liberty Boulevard over Cottonwood Creek?

The structure is 92 ft (27.9 m) long with a longest span of 87 ft (26.6 m) and a deck 78 ft wide.

Who owns Liberty Boulevard over Cottonwood Creek?

It is owned by the County Highway Agency.