US Bridges

4th Avenue over Main Drain

Good

Yuma County, Arizona · 0.17 MI S JCT CO 22nd ST · Structure no. 11131

Built
2005
20 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete
Length
23 ft
1 main span
Daily traffic
210
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

4th Avenue over Main Drain is a concrete culvert carrying 4th Avenue over Main Drain in Yuma County, Arizona. It was built in 2005, so it is 20 years old, younger than the Arizona average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 210 vehicles a day, roughly 1% of them trucks, projected to reach 220 by 2041. The structure is 23 ft (7 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Carries4th Avenue
CrossesMain Drain
Location0.17 MI S JCT CO 22nd ST
RouteCity Street 0
StateArizona
Coordinates32.50636, -114.77817
Functional classUrban Collector

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.
Culvert8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic210 (2021)
Projected traffic220 by 2041
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 4th Avenue over Main Drain built?

It was built in 2005, making it 20 years old in 2025.

What condition is 4th Avenue over Main Drain 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 February 2023.

How much traffic does 4th Avenue over Main Drain carry?

About 210 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is 4th Avenue over Main Drain?

The structure is 23 ft (7 m) long with a longest span of 20 ft (6.1 m).

Who owns 4th Avenue over Main Drain?

It is owned by the City or Municipal Highway Agency.