US Bridges

U.S. Highway 101 over Lincoln Blvd

Fair

San Francisco County, California · 04-SF-101-R9.66 · Structure no. 34 0062

Built
1937
88 years old, rebuilt 1955
Condition
Fair
inspected March 2024
Type
Tee Beam
Concrete
Length
45 ft
1 main span
Daily traffic
90,932
2023 count
Owner
Toll Authority
Local Toll Authority

About this bridge

U.S. Highway 101 over Lincoln Blvd is a concrete tee beam carrying U.S. Highway 101 over Lincoln Blvd in San Francisco County, California. It was built in 1937 and reconstructed in 1955, so it is 88 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 90,932 vehicles a day, roughly 1% of them trucks, projected to reach 111,000 by 2043. The structure is 45 ft (13.7 m) long and 125 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesU.S. Highway 101
CrossesLincoln Blvd
Location04-SF-101-R9.66
RouteU.S. Route 101
Coordinates37.80626, -122.47492
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating27.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length45 ft (13.7 m)
Longest span43 ft (13.2 m)
Deck width125 ft (38.1 m)
Roadway width115 ft (35.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90,932 (2023)
Projected traffic111,000 by 2043
Trucks1%
Lanes on structure9
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerLocal Toll Authority
Maintained byLocal Toll Authority
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was U.S. Highway 101 over Lincoln Blvd built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1955.

What condition is U.S. Highway 101 over Lincoln Blvd 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 March 2024.

How much traffic does U.S. Highway 101 over Lincoln Blvd carry?

About 90,932 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is U.S. Highway 101 over Lincoln Blvd?

The structure is 45 ft (13.7 m) long with a longest span of 43 ft (13.2 m) and a deck 125 ft wide.

Who owns U.S. Highway 101 over Lincoln Blvd?

It is owned by the Local Toll Authority.