US Bridges

Eddins RD over Alamo River

Good

Imperial County, California · 3.3 MI W/O SR 111 · Structure no. 58C0077

Built
1990
35 years old
Condition
Good
inspected December 2023
Type
Slab
Concrete Continuous
Length
97 ft
3 main spans
Daily traffic
1,200
2023 count
Owner
County
County Highway Agency

About this bridge

Eddins RD over Alamo River is a concrete continuous slab carrying Eddins RD over Alamo River in Imperial County, California. It was built in 1990, so it is 35 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 1,200 vehicles a day, roughly 1% of them trucks, projected to reach 1,507 by 2045. The structure is 97 ft (29.6 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesEddins RD
CrossesAlamo River
Location3.3 MI W/O SR 111
RouteCounty Highway 0
Coordinates33.12572, -115.57102
Functional classRural Major 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 protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length97 ft (29.6 m)
Longest span32 ft (9.8 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2023)
Projected traffic1,507 by 2045
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Eddins RD over Alamo River built?

It was built in 1990, making it 35 years old in 2025.

What condition is Eddins RD over Alamo River 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 Eddins RD over Alamo River carry?

About 1,200 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Eddins RD over Alamo River?

The structure is 97 ft (29.6 m) long with a longest span of 32 ft (9.8 m) and a deck 34 ft wide.

Who owns Eddins RD over Alamo River?

It is owned by the County Highway Agency.