US Bridges

Bernal Ave over Arroyo De LA Laguna

Fair

Alameda County, California · 0.15 MI E/O Foothill RD · Structure no. 33C0132

Built
1941
84 years old
Condition
Fair
inspected October 2023
Type
Truss - Thru
Steel
Length
131 ft
1 main span
Daily traffic
9,400
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Bernal Ave over Arroyo De LA Laguna is a steel truss - thru carrying Bernal Ave over Arroyo De LA Laguna in Alameda County, California. It was built in 1941, so it is 84 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 9,400 vehicles a day, roughly 2% of them trucks, projected to reach 10,340 by 2041. The structure is 131 ft (39.9 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesBernal Ave
CrossesArroyo De LA Laguna
Location0.15 MI E/O Foothill RD
RouteCity Street 0
CountyAlameda County
StateCalifornia
Coordinates37.65526, -121.90522
Functional classUrban Minor Arterial

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 inspectionOctober 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.2 US tons
Inventory rating37.1 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length131 ft (39.9 m)
Longest span125 ft (38.1 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck16 ft (4.8 m)

Traffic and service

Average daily traffic9,400 (2023)
Projected traffic10,340 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Bernal Ave over Arroyo De LA Laguna built?

It was built in 1941, making it 84 years old in 2025.

What condition is Bernal Ave over Arroyo De LA Laguna 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 Bernal Ave over Arroyo De LA Laguna carry?

About 9,400 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Bernal Ave over Arroyo De LA Laguna?

The structure is 131 ft (39.9 m) long with a longest span of 125 ft (38.1 m) and a deck 27 ft wide.

Who owns Bernal Ave over Arroyo De LA Laguna?

It is owned by the City or Municipal Highway Agency.