US Bridges

Ebnd 1st Ave over Cherry Creek

Fair

Denver County, Colorado · 1st Ave at Downing ST · Structure no. D-01-CC-270

Built
1957
68 years old
Condition
Fair
inspected October 2024
Type
Tee Beam
Concrete Continuous
Length
460 ft
8 main spans
Daily traffic
26,591
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ebnd 1st Ave over Cherry Creek is a concrete continuous tee beam carrying Ebnd 1st Ave over Cherry Creek in Denver County, Colorado. It was built in 1957, so it is 68 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 26,591 vehicles a day, roughly 5% of them trucks, projected to reach 29,516 by 2041. The structure is 460 ft (140.2 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesEbnd 1st Ave
CrossesCherry Creek
Location1st Ave at Downing ST
RouteCity Street 0
Coordinates39.71818, -104.97238
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 rating40 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans8 (+2 approach)
Design loadUnknown
Structure length460 ft (140.2 m)
Longest span53 ft (16.2 m)
Deck width45 ft (13.6 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,591 (2021)
Projected traffic29,516 by 2041
Trucks5%
Lanes on structure3
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 statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$2.6 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Ebnd 1st Ave over Cherry Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is Ebnd 1st 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 Ebnd 1st Ave over Cherry Creek carry?

About 26,591 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Ebnd 1st Ave over Cherry Creek?

The structure is 460 ft (140.2 m) long with a longest span of 53 ft (16.2 m) and a deck 45 ft wide.

Who owns Ebnd 1st Ave over Cherry Creek?

It is owned by the City or Municipal Highway Agency.