US Bridges

State Route 1 over Branciforte Creek

Good

Santa Cruz County, California · 05-SCR-001-16.43-SCR · Structure no. 36 0060

Built
1958
67 years old, rebuilt 2008
Condition
Good
inspected July 2023
Type
Tee Beam
Concrete Continuous
Length
156 ft
3 main spans
Daily traffic
88,000
2019 count
Owner
State
State Highway Agency

About this bridge

State Route 1 over Branciforte Creek is a concrete continuous tee beam carrying State Route 1 over Branciforte Creek in Santa Cruz County, California. It was built in 1958 and reconstructed in 2008, so it is 67 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 88,000 vehicles a day, roughly 4% of them trucks, projected to reach 139,783 by 2043. The structure is 156 ft (47.6 m) long and 133 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesState Route 1
CrossesBranciforte Creek
Location05-SCR-001-16.43-SCR
RouteState Highway 1
Coordinates36.98881, -122.01435
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length156 ft (47.6 m)
Longest span57 ft (17.4 m)
Deck width133 ft (40.5 m)
Roadway width127 ft (38.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic88,000 (2019)
Projected traffic139,783 by 2043
Trucks4%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 1 over Branciforte Creek built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2008.

What condition is State Route 1 over Branciforte Creek 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 State Route 1 over Branciforte Creek carry?

About 88,000 vehicles per day (2019 count), of which roughly 4% are trucks.

How long is State Route 1 over Branciforte Creek?

The structure is 156 ft (47.6 m) long with a longest span of 57 ft (17.4 m) and a deck 133 ft wide.

Who owns State Route 1 over Branciforte Creek?

It is owned by the State Highway Agency.