US Bridges

UPRR E84-MAIN Off over State Route 84

Fair

Alameda County, California · 04-ALA-084-16.93 · Structure no. 33 0042

Built
1941
84 years old
Condition
Fair
inspected August 2023
Type
Girder and Floorbeam System
Steel
Length
79 ft
1 main span
Daily traffic
13,500
2010 count
Owner
State
State Highway Agency

About this bridge

UPRR E84-MAIN Off over State Route 84 is a steel girder and floorbeam system carrying UPRR E84-MAIN Off over State Route 84 in Alameda County, California. It was built in 1941, so it is 84 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 13,500 vehicles a day, roughly 10% of them trucks, projected to reach 32,280 by 2043. The structure is 79 ft (24.1 m) long and 24 ft wide.

Location

Open in Google Maps
CarriesUPRR E84-MAIN Off
CrossesState Route 84
Location04-ALA-084-16.93
RouteState Highway 84
CountyAlameda County
StateCalifornia
Coordinates37.59331, -121.88924
Functional classRural 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.5 US tons
Inventory rating25 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length79 ft (24.1 m)
Longest span79 ft (24.1 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,500 (2010)
Projected traffic32,280 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway and railroad
CrossesHighway
Detour if closed—
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 UPRR E84-MAIN Off over State Route 84 built?

It was built in 1941, making it 84 years old in 2025.

What condition is UPRR E84-MAIN Off over State Route 84 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 August 2023.

How much traffic does UPRR E84-MAIN Off over State Route 84 carry?

About 13,500 vehicles per day (2010 count), of which roughly 10% are trucks.

How long is UPRR E84-MAIN Off over State Route 84?

The structure is 79 ft (24.1 m) long with a longest span of 79 ft (24.1 m) and a deck 24 ft wide.

Who owns UPRR E84-MAIN Off over State Route 84?

It is owned by the State Highway Agency.