US Bridges

E. 64th Ave. over Local Drainage

Fair

Adams County, Colorado · 0.5 MI E of Dunkirk St. · Structure no. AUR94.0-Q.0

Built
2016
9 years old
Condition
Fair
inspected October 2023
Type
Arch - Deck
Concrete
Length
32 ft
1 main span
Daily traffic
6,463
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

E. 64th Ave. over Local Drainage is a concrete arch - deck carrying E. 64th Ave. over Local Drainage in Adams County, Colorado. It was built in 2016, so it is 9 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 6,463 vehicles a day, roughly 1% of them trucks, projected to reach 8,402 by 2041. The structure is 32 ft (9.9 m) long and 211 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesE. 64th Ave.
CrossesLocal Drainage
Location0.5 MI E of Dunkirk St.
RouteCity Street 0
CountyAdams County
StateColorado
Coordinates39.81293, -104.7533
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length32 ft (9.9 m)
Longest span32 ft (9.9 m)
Deck width211 ft (64.3 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,463 (2021)
Projected traffic8,402 by 2041
Trucks1%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 E. 64th Ave. over Local Drainage built?

It was built in 2016, making it 9 years old in 2025.

What condition is E. 64th Ave. over Local Drainage 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 2023.

How much traffic does E. 64th Ave. over Local Drainage carry?

About 6,463 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is E. 64th Ave. over Local Drainage?

The structure is 32 ft (9.9 m) long with a longest span of 32 ft (9.9 m) and a deck 211 ft wide.

Who owns E. 64th Ave. over Local Drainage?

It is owned by the City or Municipal Highway Agency.