US Bridges

Orchard RD over Alamo River

Fair

Imperial County, California · 0.11 MI S/O 4th ST · Structure no. 58C0158

Built
1968
57 years old
Condition
Fair
inspected January 2024
Type
Tee Beam
Concrete Continuous
Length
183 ft
3 main spans
Daily traffic
1,825
2022 count
Owner
County
County Highway Agency

About this bridge

Orchard RD over Alamo River is a concrete continuous tee beam carrying Orchard RD over Alamo River in Imperial County, California. It was built in 1968, so it is 57 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 1,825 vehicles a day, roughly 3% of them trucks, projected to reach 2,224 by 2044. The structure is 183 ft (55.8 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesOrchard RD
CrossesAlamo River
Location0.11 MI S/O 4th ST
RouteCounty Highway 0
CountyImperial County
StateCalifornia
Coordinates32.80713, -115.38364
Functional classRural Principal Arterial - Other

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44.3 US tons
Inventory rating34.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length183 ft (55.8 m)
Longest span72 ft (21.9 m)
Deck width39 ft (11.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,825 (2022)
Projected traffic2,224 by 2044
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 Orchard RD over Alamo River built?

It was built in 1968, making it 57 years old in 2025.

What condition is Orchard RD over Alamo River 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 January 2024.

How much traffic does Orchard RD over Alamo River carry?

About 1,825 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Orchard RD over Alamo River?

The structure is 183 ft (55.8 m) long with a longest span of 72 ft (21.9 m) and a deck 39 ft wide.

Who owns Orchard RD over Alamo River?

It is owned by the County Highway Agency.