US Bridges

Castle Rock Parkwa over US 85 | UPRR

Fair

Douglas County, Colorado · N Meadows Pkwy · Structure no. CAS CASRKPWY-7

Built
2014
11 years old
Condition
Fair
inspected March 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
330 ft
3 main spans
Daily traffic
14,973
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Castle Rock Parkwa over US 85 | UPRR is a prestressed concrete continuous stringer/multi-beam or girder carrying Castle Rock Parkwa over US 85 | UPRR in Douglas County, Colorado. It was built in 2014, so it is 11 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 14,973 vehicles a day, roughly 3% of them trucks, projected to reach 20,063 by 2042. The structure is 330 ft (100.5 m) long and 127 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCastle Rock Parkwa
CrossesUS 85 | UPRR
LocationN Meadows Pkwy
RouteU.S. Route 0
Coordinates39.42017, -104.88901
Functional classUrban Other Principal 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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionMarch 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHL 93
Structure length330 ft (100.5 m)
Longest span132 ft (40.3 m)
Deck width127 ft (38.7 m)
Roadway width90 ft (27.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,973 (2022)
Projected traffic20,063 by 2042
Trucks3%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 Castle Rock Parkwa over US 85 | UPRR built?

It was built in 2014, making it 11 years old in 2025.

What condition is Castle Rock Parkwa over US 85 | UPRR 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 March 2025.

How much traffic does Castle Rock Parkwa over US 85 | UPRR carry?

About 14,973 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Castle Rock Parkwa over US 85 | UPRR?

The structure is 330 ft (100.5 m) long with a longest span of 132 ft (40.3 m) and a deck 127 ft wide.

Who owns Castle Rock Parkwa over US 85 | UPRR?

It is owned by the Town or Township Highway Agency.