US Bridges

11th Ave over Cherry Creek

Fair

Denver County, Colorado · W 11th Ave at Speer Blvd · Structure no. D-01-CC-160

Built
1925
100 years old, rebuilt 1984
Condition
Fair
inspected October 2024
Type
Slab
Concrete Continuous
Length
88 ft
2 main spans
Daily traffic
6,301
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

11th Ave over Cherry Creek is a concrete continuous slab carrying 11th Ave over Cherry Creek in Denver County, Colorado. It was built in 1925 and reconstructed in 1984, so it is 100 years old, older 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 5 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 6,301 vehicles a day, roughly 4% of them trucks, projected to reach 6,994 by 2041. The structure is 88 ft (26.8 m) long and 63 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries11th Ave
CrossesCherry Creek
LocationW 11th Ave at Speer Blvd
RouteCity Street 0
Coordinates39.73358, -104.99394
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating40 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length88 ft (26.8 m)
Longest span40 ft (12.1 m)
Deck width63 ft (19.3 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,301 (2021)
Projected traffic6,994 by 2041
Trucks4%
Lanes on structure4
Traffic directionTwo-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 statusEligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$592,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 11th Ave over Cherry Creek built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1984.

What condition is 11th Ave 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 11th Ave over Cherry Creek carry?

About 6,301 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is 11th Ave over Cherry Creek?

The structure is 88 ft (26.8 m) long with a longest span of 40 ft (12.1 m) and a deck 63 ft wide.

Who owns 11th Ave over Cherry Creek?

It is owned by the City or Municipal Highway Agency.