US Bridges

Avenue 4E over B Canal

Fair

Yuma County, Arizona · 0.25 MI N US 80 · Structure no. 08517

Built
1978
47 years old
Condition
Fair
inspected February 2024
Type
Orthotropic
Steel
Length
39 ft
1 main span
Daily traffic
1,408
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Avenue 4E over B Canal is a steel orthotropic carrying Avenue 4E over B Canal in Yuma County, Arizona. It was built in 1978, so it is 47 years old, younger than the Arizona average of 47.8 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 1,408 vehicles a day, roughly 10% of them trucks, projected to reach 1,418 by 2042. The structure is 39 ft (11.9 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesAvenue 4E
CrossesB Canal
Location0.25 MI N US 80
RouteCity Street 0
CountyYuma County
StateArizona
Coordinates32.6716, -114.5642
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeOrthotropic
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span36 ft (11 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deck25 ft (7.6 m)

Traffic and service

Average daily traffic1,408 (2022)
Projected traffic1,418 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Avenue 4E over B Canal built?

It was built in 1978, making it 47 years old in 2025.

What condition is Avenue 4E over B Canal 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 February 2024.

How much traffic does Avenue 4E over B Canal carry?

About 1,408 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Avenue 4E over B Canal?

The structure is 39 ft (11.9 m) long with a longest span of 36 ft (11 m) and a deck 40 ft wide.

Who owns Avenue 4E over B Canal?

It is owned by the City or Municipal Highway Agency.