US Bridges

S. 4th Ave. over Fulton Canal

Good

Adams County, Colorado · 0.5 MI N. of 136th Ave. · Structure no. E-17-ABQ

Built
2007
18 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
9,408
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

S. 4th Ave. over Fulton Canal is a concrete culvert carrying S. 4th Ave. over Fulton Canal in Adams County, Colorado. It was built in 2007, so it is 18 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 9,408 vehicles a day, roughly 4% of them trucks, projected to reach 12,231 by 2041. The structure is 24 ft (7.3 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesS. 4th Ave.
CrossesFulton Canal
Location0.5 MI N. of 136th Ave.
RouteCity Street 0
CountyAdams County
StateColorado
Coordinates39.95128, -104.81832
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,408 (2021)
Projected traffic12,231 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 S. 4th Ave. over Fulton Canal built?

It was built in 2007, making it 18 years old in 2025.

What condition is S. 4th Ave. over Fulton Canal in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2023.

How much traffic does S. 4th Ave. over Fulton Canal carry?

About 9,408 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is S. 4th Ave. over Fulton Canal?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m) and a deck 43 ft wide.

Who owns S. 4th Ave. over Fulton Canal?

It is owned by the City or Municipal Highway Agency.