US Bridges

Moraga Avenue WB over S13-MORAGA Av Off Ramp

Good

Alameda County, California · 04-ALA-013-8.32-OAK · Structure no. 33 0227K

Built
1964
61 years old
Condition
Good
inspected March 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
142 ft
3 main spans
Daily traffic
15,000
2019 count
Owner
State
State Highway Agency

About this bridge

Moraga Avenue WB over S13-MORAGA Av Off Ramp is a concrete continuous box beam or girders - multiple carrying Moraga Avenue WB over S13-MORAGA Av Off Ramp in Alameda County, California. It was built in 1964, so it is 61 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 15,000 vehicles a day, roughly 2% of them trucks, projected to reach 21,495 by 2041. The structure is 142 ft (43.3 m) long and 37 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesMoraga Avenue WB
CrossesS13-MORAGA Av Off Ramp
Location04-ALA-013-8.32-OAK
RouteCity Street 0
Coordinates37.83297, -122.2179
Functional classUrban Local

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.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating55 US tons
Inventory rating42.5 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length142 ft (43.3 m)
Longest span60 ft (18.3 m)
Deck width37 ft (11.3 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,000 (2019)
Projected traffic21,495 by 2041
Trucks2%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Moraga Avenue WB over S13-MORAGA Av Off Ramp built?

It was built in 1964, making it 61 years old in 2025.

What condition is Moraga Avenue WB over S13-MORAGA Av Off Ramp 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 March 2023.

How much traffic does Moraga Avenue WB over S13-MORAGA Av Off Ramp carry?

About 15,000 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is Moraga Avenue WB over S13-MORAGA Av Off Ramp?

The structure is 142 ft (43.3 m) long with a longest span of 60 ft (18.3 m) and a deck 37 ft wide.

Who owns Moraga Avenue WB over S13-MORAGA Av Off Ramp?

It is owned by the State Highway Agency.