US Bridges

English Road over Z Drain

Good

Imperial County, California · 1.5 MI N/O SR 111 · Structure no. 58C0223

Built
2014
11 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
80 ft
1 main span
Daily traffic
200
2023 count
Owner
County
County Highway Agency

About this bridge

English Road over Z Drain is a prestressed concrete stringer/multi-beam or girder carrying English Road over Z Drain in Imperial County, California. It was built in 2014, so it is 11 years old, younger than the California average of 54.8 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 200 vehicles a day, roughly 5% of them trucks, projected to reach 280 by 2045. The structure is 80 ft (24.4 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesEnglish Road
CrossesZ Drain
Location1.5 MI N/O SR 111
RouteCounty Highway 0
Coordinates33.2782, -115.54497
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length80 ft (24.4 m)
Longest span72 ft (21.9 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2023)
Projected traffic280 by 2045
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was English Road over Z Drain built?

It was built in 2014, making it 11 years old in 2025.

What condition is English Road over Z 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 December 2023.

How much traffic does English Road over Z Drain carry?

About 200 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is English Road over Z Drain?

The structure is 80 ft (24.4 m) long with a longest span of 72 ft (21.9 m) and a deck 27 ft wide.

Who owns English Road over Z Drain?

It is owned by the County Highway Agency.