US Bridges

Interstate 80 EB over W80-FREMONT ST Off Ramp

Good

San Francisco County, California · 04-SF-080-4.95-SF · Structure no. 34 0118R

Built
1935
90 years old, rebuilt 1961
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
373 ft
6 main spans
Daily traffic
140,274
2020 count
Owner
State
State Highway Agency

About this bridge

Interstate 80 EB over W80-FREMONT ST Off Ramp is a concrete stringer/multi-beam or girder carrying Interstate 80 EB over W80-FREMONT ST Off Ramp in San Francisco County, California. It was built in 1935 and reconstructed in 1961, so it is 90 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 140,274 vehicles a day, roughly 3% of them trucks, projected to reach 194,521 by 2040. The structure is 373 ft (113.7 m) long and 71 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

CarriesInterstate 80 EB
CrossesW80-FREMONT ST Off Ramp
Location04-SF-080-4.95-SF
RouteState Highway 80
Coordinates37.78541, -122.39152
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment9: Superior to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20 + Mod
Structure length373 ft (113.7 m)
Longest span65 ft (19.8 m)
Deck width71 ft (21.6 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deck15 ft (4.6 m)

Traffic and service

Average daily traffic140,274 (2020)
Projected traffic194,521 by 2040
Trucks3%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed34.8 mi (56 km)
TollToll bridge
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Interstate 80 EB over W80-FREMONT ST Off Ramp built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1961.

What condition is Interstate 80 EB over W80-FREMONT ST 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 May 2023.

How much traffic does Interstate 80 EB over W80-FREMONT ST Off Ramp carry?

About 140,274 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is Interstate 80 EB over W80-FREMONT ST Off Ramp?

The structure is 373 ft (113.7 m) long with a longest span of 65 ft (19.8 m) and a deck 71 ft wide.

Who owns Interstate 80 EB over W80-FREMONT ST Off Ramp?

It is owned by the State Highway Agency.