US Bridges

WB E 56th Avenue over First Flow Creek

Fair

Denver County, Colorado · .2 Miles West of Tower RD · Structure no. D-25-FC-025

Built
2000
25 years old
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
80 ft
1 main span
Daily traffic
14,732
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

WB E 56th Avenue over First Flow Creek is a prestressed concrete box beam or girders - single or spread carrying WB E 56th Avenue over First Flow Creek in Denver County, Colorado. It was built in 2000, so it is 25 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 14,732 vehicles a day, roughly 2% of them trucks, projected to reach 16,353 by 2041. The structure is 80 ft (24.4 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesWB E 56th Avenue
CrossesFirst Flow Creek
Location.2 Miles West of Tower RD
RouteCity Street 0
Coordinates39.79845, -104.77798
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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating61.2 US tons
Inventory rating36.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length80 ft (24.4 m)
Longest span75 ft (22.8 m)
Deck width34 ft (10.4 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,732 (2021)
Projected traffic16,353 by 2041
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was WB E 56th Avenue over First Flow Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is WB E 56th Avenue over First Flow 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 November 2024.

How much traffic does WB E 56th Avenue over First Flow Creek carry?

About 14,732 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is WB E 56th Avenue over First Flow Creek?

The structure is 80 ft (24.4 m) long with a longest span of 75 ft (22.8 m) and a deck 34 ft wide.

Who owns WB E 56th Avenue over First Flow Creek?

It is owned by the City or Municipal Highway Agency.