US Bridges

Lugo Road over Palo Verde Lagoon

Fair

Imperial County, California · 0.32 MI E/O SR 78 · Structure no. 58C0191

Built
1950
75 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
112 ft
6 main spans
Daily traffic
300
2023 count
Owner
County
County Highway Agency

About this bridge

Lugo Road over Palo Verde Lagoon is a wood or timber stringer/multi-beam or girder carrying Lugo Road over Palo Verde Lagoon in Imperial County, California. It was built in 1950, so it is 75 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 300 vehicles a day, roughly 2% of them trucks, projected to reach 328 by 2045. The structure is 112 ft (34.1 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLugo Road
CrossesPalo Verde Lagoon
Location0.32 MI E/O SR 78
RouteCounty Highway 0
Coordinates33.41883, -114.72624
Functional classRural Local

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating26.5 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans6 (+1 approach)
Design loadUnknown
Structure length112 ft (34.1 m)
Longest span22 ft (6.7 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2023)
Projected traffic328 by 2045
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Lugo Road over Palo Verde Lagoon built?

It was built in 1950, making it 75 years old in 2025.

What condition is Lugo Road over Palo Verde Lagoon 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 Lugo Road over Palo Verde Lagoon carry?

About 300 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Lugo Road over Palo Verde Lagoon?

The structure is 112 ft (34.1 m) long with a longest span of 22 ft (6.7 m) and a deck 25 ft wide.

Who owns Lugo Road over Palo Verde Lagoon?

It is owned by the County Highway Agency.