US Bridges

Clarkson ST over Cherry Creek

Good

Denver County, Colorado · Clarkson at Speer Blvd · Structure no. D-01-CC-240A

Built
1987
38 years old
Condition
Good
inspected October 2024
Type
Frame
Concrete
Length
110 ft
2 main spans
Daily traffic
4,022
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Clarkson ST over Cherry Creek is a concrete frame carrying Clarkson ST over Cherry Creek in Denver 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 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 4,022 vehicles a day, roughly 6% of them trucks, projected to reach 4,465 by 2041. The structure is 110 ft (33.5 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesClarkson ST
CrossesCherry Creek
LocationClarkson at Speer Blvd
RouteCity Street 0
Coordinates39.71956, -104.97746
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length110 ft (33.5 m)
Longest span47 ft (14.3 m)
Deck width52 ft (15.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,022 (2021)
Projected traffic4,465 by 2041
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Clarkson ST over Cherry Creek built?

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

What condition is Clarkson ST over Cherry 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 October 2024.

How much traffic does Clarkson ST over Cherry Creek carry?

About 4,022 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is Clarkson ST over Cherry Creek?

The structure is 110 ft (33.5 m) long with a longest span of 47 ft (14.3 m) and a deck 52 ft wide.

Who owns Clarkson ST over Cherry Creek?

It is owned by the City or Municipal Highway Agency.