US Bridges

Araz Road (cr S24) over Windmill Wash

Fair

Imperial County, California · 0.28 MI N/O I-8 Exit 166 · Structure no. 58C0089

Built
1932
93 years old, rebuilt 1947
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
40 ft
2 main spans
Daily traffic
510
2023 count
Owner
County
County Highway Agency

About this bridge

Araz Road (cr S24) over Windmill Wash is a wood or timber stringer/multi-beam or girder carrying Araz Road (cr S24) over Windmill Wash in Imperial County, California. It was built in 1932 and reconstructed in 1947, so it is 93 years old, older than the California average of 54.8 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 510 vehicles a day, roughly 1% of them trucks, projected to reach 536 by 2045. The structure is 40 ft (12.2 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesAraz Road (cr S24)
CrossesWindmill Wash
Location0.28 MI N/O I-8 Exit 166
RouteCounty Highway 0
Coordinates32.7463, -114.71659
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.7 US tons
Inventory rating20 US tons

Structure

MaterialWood or Timber
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length40 ft (12.2 m)
Longest span19 ft (5.8 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic510 (2023)
Projected traffic536 by 2045
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Araz Road (cr S24) over Windmill Wash built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1947.

What condition is Araz Road (cr S24) over Windmill Wash 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 October 2023.

How much traffic does Araz Road (cr S24) over Windmill Wash carry?

About 510 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Araz Road (cr S24) over Windmill Wash?

The structure is 40 ft (12.2 m) long with a longest span of 19 ft (5.8 m) and a deck 28 ft wide.

Who owns Araz Road (cr S24) over Windmill Wash?

It is owned by the County Highway Agency.