US Bridges

Grove Way over San Lorenzo Creek

Fair

Alameda County, California · 0.02 MI NE of Mission Bl · Structure no. 33C0205

Built
1915
110 years old
Condition
Fair
inspected June 2024
Type
Girder and Floorbeam System
Concrete
Length
63 ft
1 main span
Daily traffic
3,500
2014 count
Owner
County
County Highway Agency

About this bridge

Grove Way over San Lorenzo Creek is a concrete girder and floorbeam system carrying Grove Way over San Lorenzo Creek in Alameda County, California. It was built in 1915, so it is 110 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 3,500 vehicles a day, roughly 2% of them trucks, projected to reach 9,025 by 2042. The structure is 63 ft (19.2 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesGrove Way
CrossesSan Lorenzo Creek
Location0.02 MI NE of Mission Bl
RouteCounty Highway 0
CountyAlameda County
StateCalifornia
Coordinates37.68052, -122.09383
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
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 protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating67.1 US tons
Inventory rating40.3 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length63 ft (19.2 m)
Longest span60 ft (18.3 m)
Deck width43 ft (13 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,500 (2014)
Projected traffic9,025 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Grove Way over San Lorenzo Creek built?

It was built in 1915, making it 110 years old in 2025.

What condition is Grove Way over San Lorenzo Creek 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 June 2024.

How much traffic does Grove Way over San Lorenzo Creek carry?

About 3,500 vehicles per day (2014 count), of which roughly 2% are trucks.

How long is Grove Way over San Lorenzo Creek?

The structure is 63 ft (19.2 m) long with a longest span of 60 ft (18.3 m) and a deck 43 ft wide.

Who owns Grove Way over San Lorenzo Creek?

It is owned by the County Highway Agency.