US Bridges

W 8th Avenue over Weir Gulch | Federal Blv

Fair

Denver County, Colorado · East of Federal Blvd · Structure no. D-17-WG-200

Built
1970
55 years old
Condition
Fair
inspected January 2025
Type
Culvert
Concrete
Length
29 ft
1 main span
Daily traffic
13,064
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

W 8th Avenue over Weir Gulch | Federal Blv is a concrete culvert carrying W 8th Avenue over Weir Gulch | Federal Blv in Denver County, Colorado. It was built in 1970, so it is 55 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 13,064 vehicles a day, roughly 5% of them trucks, projected to reach 14,501 by 2041. The structure is 29 ft (8.7 m) long and 161 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesW 8th Avenue
CrossesWeir Gulch | Federal Blv
LocationEast of Federal Blvd
RouteCity Street 0
CountyDenver County
StateColorado
Coordinates39.72936, -105.02405
Functional classUrban Minor 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
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
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 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 rating40 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length29 ft (8.7 m)
Longest span12 ft (3.7 m)
Deck width161 ft (49.1 m)
Roadway width61 ft (18.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,064 (2021)
Projected traffic14,501 by 2041
Trucks5%
Lanes on structure5
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 W 8th Avenue over Weir Gulch | Federal Blv built?

It was built in 1970, making it 55 years old in 2025.

What condition is W 8th Avenue over Weir Gulch | Federal Blv 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 January 2025.

How much traffic does W 8th Avenue over Weir Gulch | Federal Blv carry?

About 13,064 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is W 8th Avenue over Weir Gulch | Federal Blv?

The structure is 29 ft (8.7 m) long with a longest span of 12 ft (3.7 m) and a deck 161 ft wide.

Who owns W 8th Avenue over Weir Gulch | Federal Blv?

It is owned by the City or Municipal Highway Agency.