US Bridges

Ardenwood Blvd over UP RR

Fair

Alameda County, California · 0.3 MI West of HWY 84 · Structure no. 33C0401

Built
1985
40 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
163 ft
3 main spans
Daily traffic
16,300
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ardenwood Blvd over UP RR is a concrete continuous box beam or girders - multiple carrying Ardenwood Blvd over UP RR in Alameda County, California. It was built in 1985, so it is 40 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 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 16,300 vehicles a day, roughly 5% of them trucks, projected to reach 29,340 by 2042. The structure is 163 ft (49.7 m) long and 102 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesArdenwood Blvd
CrossesUP RR
Location0.3 MI West of HWY 84
RouteCity Street 0
CountyAlameda County
StateCalifornia
Coordinates37.55283, -122.05623
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length163 ft (49.7 m)
Longest span65 ft (19.8 m)
Deck width102 ft (31.1 m)
Roadway width84 ft (25.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,300 (2022)
Projected traffic29,340 by 2042
Trucks5%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.9 mi (3 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 Ardenwood Blvd over UP RR built?

It was built in 1985, making it 40 years old in 2025.

What condition is Ardenwood Blvd over UP RR 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 September 2024.

How much traffic does Ardenwood Blvd over UP RR carry?

About 16,300 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Ardenwood Blvd over UP RR?

The structure is 163 ft (49.7 m) long with a longest span of 65 ft (19.8 m) and a deck 102 ft wide.

Who owns Ardenwood Blvd over UP RR?

It is owned by the City or Municipal Highway Agency.