US Bridges

Sharp Park Road over State Route 1

Fair

San Mateo County, California · 04-SM-001-R43.46-PFA · Structure no. 35 0170

Built
1965
60 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
211 ft
2 main spans
Daily traffic
22,450
1998 count
Owner
State
State Highway Agency

About this bridge

Sharp Park Road over State Route 1 is a concrete continuous box beam or girders - multiple carrying Sharp Park Road over State Route 1 in San Mateo County, California. It was built in 1965, so it is 60 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 22,450 vehicles a day, roughly 2% of them trucks, projected to reach 32,604 by 2046. The structure is 211 ft (64.2 m) long and 52 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesSharp Park Road
CrossesState Route 1
Location04-SM-001-R43.46-PFA
RouteCity Street 0D540
Coordinates37.62576, -122.48797
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionOctober 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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.1 US tons
Inventory rating31.4 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length211 ft (64.2 m)
Longest span105 ft (32.1 m)
Deck width52 ft (15.9 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,450 (1998)
Projected traffic32,604 by 2046
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed6.2 mi (10 km)
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 Sharp Park Road over State Route 1 built?

It was built in 1965, making it 60 years old in 2025.

What condition is Sharp Park Road over State Route 1 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 October 2024.

How much traffic does Sharp Park Road over State Route 1 carry?

About 22,450 vehicles per day (1998 count), of which roughly 2% are trucks.

How long is Sharp Park Road over State Route 1?

The structure is 211 ft (64.2 m) long with a longest span of 105 ft (32.1 m) and a deck 52 ft wide.

Who owns Sharp Park Road over State Route 1?

It is owned by the State Highway Agency.