US Bridges

State Route 236 over High Bridge Creek

Fair

Santa Cruz County, California · 05-SCR-236-2.39 · Structure no. 36 0008

Built
1925
100 years old
Condition
Fair
inspected June 2024
Type
Tee Beam
Concrete
Length
96 ft
3 main spans
Daily traffic
1,350
2017 count
Owner
State
State Highway Agency

About this bridge

State Route 236 over High Bridge Creek is a concrete tee beam carrying State Route 236 over High Bridge Creek in Santa Cruz County, California. It was built in 1925, so it is 100 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 1,350 vehicles a day, roughly 4% of them trucks, projected to reach 1,754 by 2042. The structure is 96 ft (29.3 m) long and 27 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

CarriesState Route 236
CrossesHigh Bridge Creek
Location05-SCR-236-2.39
RouteState Highway 236
Coordinates37.14281, -122.15424
Functional classUrban Collector

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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating23.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length96 ft (29.3 m)
Longest span32 ft (9.8 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,350 (2017)
Projected traffic1,754 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 km)
TollOn a free road
National Highway SystemNo

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 236 over High Bridge Creek built?

It was built in 1925, making it 100 years old in 2025.

What condition is State Route 236 over High Bridge 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 June 2024.

How much traffic does State Route 236 over High Bridge Creek carry?

About 1,350 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is State Route 236 over High Bridge Creek?

The structure is 96 ft (29.3 m) long with a longest span of 32 ft (9.8 m) and a deck 27 ft wide.

Who owns State Route 236 over High Bridge Creek?

It is owned by the State Highway Agency.