US Bridges

Mac Arthur Blvd over San Leandro Creek

Fair

Alameda County, California · 0.25 MI S of Dutton Ave · Structure no. 33C0032

Built
1909
116 years old, rebuilt 1934
Condition
Fair
inspected July 2023
Type
Arch - Deck
Concrete
Length
75 ft
1 main span
Daily traffic
7,900
2016 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mac Arthur Blvd over San Leandro Creek is a concrete arch - deck carrying Mac Arthur Blvd over San Leandro Creek in Alameda County, California. It was built in 1909 and reconstructed in 1934, so it is 116 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 7,900 vehicles a day, roughly 15% of them trucks, projected to reach 16,356 by 2041. The structure is 75 ft (22.9 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesMac Arthur Blvd
CrossesSan Leandro Creek
Location0.25 MI S of Dutton Ave
RouteCity Street 0
CountyAlameda County
StateCalifornia
Coordinates37.73088, -122.13913
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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating30 US tons
Inventory rating17.9 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length75 ft (22.9 m)
Longest span68 ft (20.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,900 (2016)
Projected traffic16,356 by 2041
Trucks15%
Lanes on structure3
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

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 Mac Arthur Blvd over San Leandro Creek built?

It was built in 1909, making it 116 years old in 2025. It was reconstructed in 1934.

What condition is Mac Arthur Blvd over San Leandro 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 July 2023.

How much traffic does Mac Arthur Blvd over San Leandro Creek carry?

About 7,900 vehicles per day (2016 count), of which roughly 15% are trucks.

How long is Mac Arthur Blvd over San Leandro Creek?

The structure is 75 ft (22.9 m) long with a longest span of 68 ft (20.7 m).

Who owns Mac Arthur Blvd over San Leandro Creek?

It is owned by the City or Municipal Highway Agency.