US Bridges

Madera Lane over El Corte De Madera Crk

Fair

San Mateo County, California · 0.1 MI N of SH 84 · Structure no. 35C0116

Built
1920
105 years old
Condition
Fair
inspected April 2024
Type
Tee Beam
Concrete Continuous
Length
57 ft
2 main spans
Daily traffic
16
2018 count
Owner
County
County Highway Agency

About this bridge

Madera Lane over El Corte De Madera Crk is a concrete continuous tee beam carrying Madera Lane over El Corte De Madera Crk in San Mateo County, California. It was built in 1920, so it is 105 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 16 vehicles a day, roughly 7% of them trucks, projected to reach 53 by 2042. The structure is 57 ft (17.5 m) long and 22 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesMadera Lane
CrossesEl Corte De Madera Crk
Location0.1 MI N of SH 84
RouteCounty Highway 0
CountySan Mateo County
StateCalifornia
Coordinates37.32157, -122.33737
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating27.4 US tons
Inventory rating16.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length57 ft (17.5 m)
Longest span38 ft (11.6 m)
Deck width22 ft (6.6 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16 (2018)
Projected traffic53 by 2042
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Madera Lane over El Corte De Madera Crk built?

It was built in 1920, making it 105 years old in 2025.

What condition is Madera Lane over El Corte De Madera Crk 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 2024.

How much traffic does Madera Lane over El Corte De Madera Crk carry?

About 16 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is Madera Lane over El Corte De Madera Crk?

The structure is 57 ft (17.5 m) long with a longest span of 38 ft (11.6 m) and a deck 22 ft wide.

Who owns Madera Lane over El Corte De Madera Crk?

It is owned by the County Highway Agency.