US Bridges

Redwood Blvd over Novato Creek

Fair

Marin County, California · 0.6 M N Rowland Bl · Structure no. 27C0103R

Built
1929
96 years old, rebuilt 1988
Condition
Fair
inspected July 2024
Type
Tee Beam
Concrete
Length
187 ft
4 main spans
Daily traffic
9,103
2010 count
Owner
City
City or Municipal Highway Agency

About this bridge

Redwood Blvd over Novato Creek is a concrete tee beam carrying Redwood Blvd over Novato Creek in Marin County, California. It was built in 1929 and reconstructed in 1988, so it is 96 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 9,103 vehicles a day, roughly 5% of them trucks, projected to reach 5,635 by 2046. The structure is 187 ft (57 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRedwood Blvd
CrossesNovato Creek
Location0.6 M N Rowland Bl
RouteCity Street 0
Coordinates38.09681, -122.56381
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.1 US tons
Inventory rating22.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4 (+2 approach)
Design loadHS 15
Structure length187 ft (57 m)
Longest span40 ft (12.2 m)
Deck width38 ft (11.6 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,103 (2010)
Projected traffic5,635 by 2046
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Redwood Blvd over Novato Creek built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1988.

What condition is Redwood Blvd over Novato 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 July 2024.

How much traffic does Redwood Blvd over Novato Creek carry?

About 9,103 vehicles per day (2010 count), of which roughly 5% are trucks.

How long is Redwood Blvd over Novato Creek?

The structure is 187 ft (57 m) long with a longest span of 40 ft (12.2 m) and a deck 38 ft wide.

Who owns Redwood Blvd over Novato Creek?

It is owned by the City or Municipal Highway Agency.