US Bridges

Downing ST over Cherry Creek

Fair

Denver County, Colorado · Downing ST at Speer Blvd · Structure no. D-01-CC-260A

Built
1983
42 years old
Condition
Fair
inspected October 2024
Type
Tee Beam
Prestressed Concrete
Length
110 ft
2 main spans
Daily traffic
9,726
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Downing ST over Cherry Creek is a prestressed concrete tee beam carrying Downing ST over Cherry Creek in Denver County, Colorado. It was built in 1983, so it is 42 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 9,726 vehicles a day, roughly 5% of them trucks, projected to reach 10,796 by 2041. The structure is 110 ft (33.5 m) long and 69 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesDowning ST
CrossesCherry Creek
LocationDowning ST at Speer Blvd
RouteCity Street 0
Coordinates39.71847, -104.97322
Functional classUrban Minor 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.8 US tons
Inventory rating35.3 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length110 ft (33.5 m)
Longest span51 ft (15.5 m)
Deck width69 ft (21.1 m)
Roadway width45 ft (13.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,726 (2021)
Projected traffic10,796 by 2041
Trucks5%
Lanes on structure4
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$779,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Downing ST over Cherry Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is Downing ST over Cherry Creek 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 October 2024.

How much traffic does Downing ST over Cherry Creek carry?

About 9,726 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Downing ST over Cherry Creek?

The structure is 110 ft (33.5 m) long with a longest span of 51 ft (15.5 m) and a deck 69 ft wide.

Who owns Downing ST over Cherry Creek?

It is owned by the City or Municipal Highway Agency.