US Bridges

E 8th Street over Lake Merritt Drain

Good

Alameda County, California · E 8th ST & E 7th ST · Structure no. 33C0149

Built
1970
55 years old
Condition
Good
inspected November 2024
Type
Slab
Concrete Continuous
Length
120 ft
5 main spans
Daily traffic
17,388
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

E 8th Street over Lake Merritt Drain is a concrete continuous slab carrying E 8th Street over Lake Merritt Drain in Alameda County, California. It was built in 1970, so it is 55 years old, older 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 17,388 vehicles a day, roughly 5% of them trucks, projected to reach 32,758 by 2046. The structure is 120 ft (36.6 m) long and 130 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesE 8th Street
CrossesLake Merritt Drain
LocationE 8th ST & E 7th ST
RouteCity Street 0
Coordinates37.79388, -122.26115
Functional classUrban Minor Arterial

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.5 US tons
Inventory rating19.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadUnknown
Structure length120 ft (36.6 m)
Longest span46 ft (14 m)
Deck width130 ft (39.6 m)
Roadway width79 ft (24 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,388 (2023)
Projected traffic32,758 by 2046
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 E 8th Street over Lake Merritt Drain built?

It was built in 1970, making it 55 years old in 2025.

What condition is E 8th Street over Lake Merritt Drain 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 November 2024.

How much traffic does E 8th Street over Lake Merritt Drain carry?

About 17,388 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is E 8th Street over Lake Merritt Drain?

The structure is 120 ft (36.6 m) long with a longest span of 46 ft (14 m) and a deck 130 ft wide.

Who owns E 8th Street over Lake Merritt Drain?

It is owned by the City or Municipal Highway Agency.