US Bridges

8th Avenue over Cherry Creek

Fair

Denver County, Colorado · 8th Ave at Speer · Structure no. D-01-CC-170A

Built
1989
36 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
91 ft
1 main span
Daily traffic
18,785
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

8th Avenue over Cherry Creek is a prestressed concrete box beam or girders - multiple carrying 8th Avenue over Cherry Creek in Denver County, Colorado. It was built in 1989, so it is 36 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 18,785 vehicles a day, roughly 6% of them trucks, projected to reach 20,851 by 2041. The structure is 91 ft (27.7 m) long and 69 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
Carries8th Avenue
CrossesCherry Creek
Location8th Ave at Speer
RouteCity Street 0
CountyDenver County
StateColorado
Coordinates39.72887, -104.99034
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.3 US tons
Inventory rating17.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length91 ft (27.7 m)
Longest span88 ft (26.8 m)
Deck width69 ft (21 m)
Roadway width50 ft (15.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,785 (2021)
Projected traffic20,851 by 2041
Trucks6%
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$586,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 8th Avenue over Cherry Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is 8th Avenue 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 8th Avenue over Cherry Creek carry?

About 18,785 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is 8th Avenue over Cherry Creek?

The structure is 91 ft (27.7 m) long with a longest span of 88 ft (26.8 m) and a deck 69 ft wide.

Who owns 8th Avenue over Cherry Creek?

It is owned by the City or Municipal Highway Agency.