US Bridges

E 14th Street over Lake Merritt Channel

Fair

Alameda County, California · Just W Lakeshore Ave · Structure no. 33C0472L

Built
2012
13 years old
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
146 ft
1 main span
Daily traffic
7,754
2007 count
Owner
City
City or Municipal Highway Agency

About this bridge

E 14th Street over Lake Merritt Channel is a prestressed concrete box beam or girders - multiple carrying E 14th Street over Lake Merritt Channel in Alameda County, California. It was built in 2012, so it is 13 years old, younger 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 6 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 7,754 vehicles a day, roughly 2% of them trucks, projected to reach 27,351 by 2042. The structure is 146 ft (44.6 m) long and 60 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesE 14th Street
CrossesLake Merritt Channel
LocationJust W Lakeshore Ave
RouteCity Street 0
Coordinates37.79824, -122.25985
Functional classUrban Other Principal 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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be 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

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length146 ft (44.6 m)
Longest span144 ft (44 m)
Deck width60 ft (18.3 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,754 (2007)
Projected traffic27,351 by 2042
Trucks2%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was E 14th Street over Lake Merritt Channel built?

It was built in 2012, making it 13 years old in 2025.

What condition is E 14th Street over Lake Merritt Channel 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 November 2024.

How much traffic does E 14th Street over Lake Merritt Channel carry?

About 7,754 vehicles per day (2007 count), of which roughly 2% are trucks.

How long is E 14th Street over Lake Merritt Channel?

The structure is 146 ft (44.6 m) long with a longest span of 144 ft (44 m) and a deck 60 ft wide.

Who owns E 14th Street over Lake Merritt Channel?

It is owned by the City or Municipal Highway Agency.