US Bridges

Sneath LN over Hillside

Fair

San Mateo County, California · E Claremont DR · Structure no. 35C0102

Built
1975
50 years old
Condition
Fair
inspected April 2021
Type
Slab
Concrete Continuous
Length
162 ft
8 main spans
Daily traffic
13,000
1990 count
Owner
City
City or Municipal Highway Agency

About this bridge

Sneath LN over Hillside is a concrete continuous slab carrying Sneath LN over Hillside in San Mateo County, California. It was built in 1975, so it is 50 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 6 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 13,000 vehicles a day, roughly 1% of them trucks, projected to reach 17,274 by 2041. The structure is 162 ft (49.4 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesSneath LN
CrossesHillside
LocationE Claremont DR
RouteCity Street 0
CountySan Mateo County
StateCalifornia
Coordinates37.62639, -122.44155
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating62.8 US tons
Inventory rating37.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadUnknown
Structure length162 ft (49.4 m)
Longest span20 ft (6.1 m)
Deck width27 ft (8.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,000 (1990)
Projected traffic17,274 by 2041
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesOther
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sneath LN over Hillside built?

It was built in 1975, making it 50 years old in 2025.

What condition is Sneath LN over Hillside 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 April 2021.

How much traffic does Sneath LN over Hillside carry?

About 13,000 vehicles per day (1990 count), of which roughly 1% are trucks.

How long is Sneath LN over Hillside?

The structure is 162 ft (49.4 m) long with a longest span of 20 ft (6.1 m) and a deck 27 ft wide.

Who owns Sneath LN over Hillside?

It is owned by the City or Municipal Highway Agency.