US Bridges

Stonegate Parkway over Newlin Gulch

Fair

Douglas County, Colorado · 0.5 MI S of Lincoln Blvd · Structure no. DOU008-03.50

Built
1995
30 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
94 ft
1 main span
Daily traffic
3,008
2021 count
Owner
County
County Highway Agency

About this bridge

Stonegate Parkway over Newlin Gulch is a prestressed concrete stringer/multi-beam or girder carrying Stonegate Parkway over Newlin Gulch in Douglas County, Colorado. It was built in 1995, so it is 30 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 3,008 vehicles a day, roughly 4% of them trucks, projected to reach 4,031 by 2041. The structure is 94 ft (28.8 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesStonegate Parkway
CrossesNewlin Gulch
Location0.5 MI S of Lincoln Blvd
RouteCounty Highway 0
CountyDouglas County
StateColorado
Coordinates39.52629, -104.80649
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.7 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length94 ft (28.8 m)
Longest span91 ft (27.6 m)
Deck width46 ft (14 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,008 (2021)
Projected traffic4,031 by 2041
Trucks4%
Lanes on structure2
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 Stonegate Parkway over Newlin Gulch built?

It was built in 1995, making it 30 years old in 2025.

What condition is Stonegate Parkway over Newlin Gulch 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 January 2025.

How much traffic does Stonegate Parkway over Newlin Gulch carry?

About 3,008 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Stonegate Parkway over Newlin Gulch?

The structure is 94 ft (28.8 m) long with a longest span of 91 ft (27.6 m) and a deck 46 ft wide.

Who owns Stonegate Parkway over Newlin Gulch?

It is owned by the County Highway Agency.