US Bridges

Water Street over Branciforte Creek

Fair

Santa Cruz County, California · At Market Street · Structure no. 36C0090

Built
1924
101 years old, rebuilt 1973
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
90 ft
3 main spans
Daily traffic
100,000
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

Water Street over Branciforte Creek is a concrete stringer/multi-beam or girder carrying Water Street over Branciforte Creek in Santa Cruz County, California. It was built in 1924 and reconstructed in 1973, so it is 101 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 100,000 vehicles a day, roughly 10% of them trucks, projected to reach 115,245 by 2041. The structure is 90 ft (27.4 m) long and 80 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesWater Street
CrossesBranciforte Creek
LocationAt Market Street
RouteCity Street 0
Coordinates36.98027, -122.01891
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating47.8 US tons
Inventory rating28.9 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length90 ft (27.4 m)
Longest span62 ft (18.9 m)
Deck width80 ft (24.4 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100,000 (2015)
Projected traffic115,245 by 2041
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

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 Water Street over Branciforte Creek built?

It was built in 1924, making it 101 years old in 2025. It was reconstructed in 1973.

What condition is Water Street over Branciforte 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 September 2023.

How much traffic does Water Street over Branciforte Creek carry?

About 100,000 vehicles per day (2015 count), of which roughly 10% are trucks.

How long is Water Street over Branciforte Creek?

The structure is 90 ft (27.4 m) long with a longest span of 62 ft (18.9 m) and a deck 80 ft wide.

Who owns Water Street over Branciforte Creek?

It is owned by the City or Municipal Highway Agency.