US Bridges

Lucky Drive over Branch Corte Madera Crk

Good

Marin County, California · In Corte Madera · Structure no. 27C0069

Built
1970
55 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete Continuous
Length
27 ft
6 main spans
Daily traffic
3,000
1978 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lucky Drive over Branch Corte Madera Crk is a concrete continuous culvert carrying Lucky Drive over Branch Corte Madera Crk in Marin County, California. It was built in 1970, so it is 55 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,000 vehicles a day, roughly 2% of them trucks, projected to reach 8,287 by 2041. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLucky Drive
CrossesBranch Corte Madera Crk
LocationIn Corte Madera
RouteCity Street 0
Coordinates37.93744, -122.52129
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans6
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (1978)
Projected traffic8,287 by 2041
Trucks2%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 Lucky Drive over Branch Corte Madera Crk built?

It was built in 1970, making it 55 years old in 2025.

What condition is Lucky Drive over Branch Corte Madera Crk in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2023.

How much traffic does Lucky Drive over Branch Corte Madera Crk carry?

About 3,000 vehicles per day (1978 count), of which roughly 2% are trucks.

How long is Lucky Drive over Branch Corte Madera Crk?

The structure is 27 ft (8.2 m) long with a longest span of 7 ft (2.1 m).

Who owns Lucky Drive over Branch Corte Madera Crk?

It is owned by the City or Municipal Highway Agency.