US Bridges

Plum Creek Parkway over Sellars Gulch

Poor

Douglas County, Colorado · .1 MI W of Lake Gulch RD · Structure no. CAS PLMCKPW-.1

Built
1987
38 years old
Condition
Poor
inspected February 2025
Type
Culvert
Steel
Length
65 ft
6 main spans
Daily traffic
14,950
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Plum Creek Parkway over Sellars Gulch is a steel culvert carrying Plum Creek Parkway over Sellars Gulch in Douglas County, Colorado. It was built in 1987, so it is 38 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 14,950 vehicles a day, roughly 6% of them trucks, projected to reach 20,032 by 2041. The structure is 65 ft (19.7 m) long and 172 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesPlum Creek Parkway
CrossesSellars Gulch
Location.1 MI W of Lake Gulch RD
RouteCity Street 0
Coordinates39.35739, -104.84373
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionFebruary 2025
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans6
Design loadHS 20 + Mod
Structure length65 ft (19.7 m)
Longest span13 ft (3.9 m)
Deck width172 ft (52.4 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,950 (2021)
Projected traffic20,032 by 2041
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Plum Creek Parkway over Sellars Gulch built?

It was built in 1987, making it 38 years old in 2025.

What condition is Plum Creek Parkway over Sellars Gulch in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2025.

How much traffic does Plum Creek Parkway over Sellars Gulch carry?

About 14,950 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is Plum Creek Parkway over Sellars Gulch?

The structure is 65 ft (19.7 m) long with a longest span of 13 ft (3.9 m) and a deck 172 ft wide.

Who owns Plum Creek Parkway over Sellars Gulch?

It is owned by the Town or Township Highway Agency.