US Bridges

State Route 82 over Belmont Creek

Fair

San Mateo County, California · 04-SM-082-7.36-SM · Structure no. 35 0104

Built
1941
84 years old, rebuilt 1995
Condition
Fair
inspected May 2024
Type
Culvert
Concrete Continuous
Length
35 ft
2 main spans
Daily traffic
34,750
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 82 over Belmont Creek is a concrete continuous culvert carrying State Route 82 over Belmont Creek in San Mateo County, California. It was built in 1941 and reconstructed in 1995, 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 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 34,750 vehicles a day, projected to reach 55,727 by 2046. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesState Route 82
CrossesBelmont Creek
Location04-SM-082-7.36-SM
RouteState Highway 82
Coordinates37.51716, -122.27195
Functional classUrban Other Principal 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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30 US tons
Inventory rating17.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length35 ft (10.7 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,750 (2009)
Projected traffic55,727 by 2046
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was State Route 82 over Belmont Creek built?

It was built in 1941, making it 84 years old in 2025. It was reconstructed in 1995.

What condition is State Route 82 over Belmont Creek 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 May 2024.

How much traffic does State Route 82 over Belmont Creek carry?

About 34,750 vehicles per day (2009 count).

How long is State Route 82 over Belmont Creek?

The structure is 35 ft (10.7 m) long with a longest span of 20 ft (6.1 m).

Who owns State Route 82 over Belmont Creek?

It is owned by the State Highway Agency.