US Bridges

State Route 1 over Solomon Canyon Creek

Good

Santa Barbara County, California · 05-SB-001-47.91 · Structure no. 51 0103

Built
1962
63 years old
Condition
Good
inspected May 2023
Type
Slab
Concrete Continuous
Length
77 ft
3 main spans
Daily traffic
2,200
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 1 over Solomon Canyon Creek is a concrete continuous slab carrying State Route 1 over Solomon Canyon Creek in Santa Barbara County, California. It was built in 1962, so it is 63 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 2,200 vehicles a day, roughly 6% of them trucks, projected to reach 14,736 by 2041. The structure is 77 ft (23.5 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesState Route 1
CrossesSolomon Canyon Creek
Location05-SB-001-47.91
RouteState Highway 1
Coordinates34.94136, -120.57386
Functional classRural Minor Arterial

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 inspectionMay 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.4 US tons
Inventory rating45.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length77 ft (23.5 m)
Longest span30 ft (9.1 m)
Deck width34 ft (10.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,200 (2009)
Projected traffic14,736 by 2041
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 1 over Solomon Canyon Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is State Route 1 over Solomon Canyon 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 May 2023.

How much traffic does State Route 1 over Solomon Canyon Creek carry?

About 2,200 vehicles per day (2009 count), of which roughly 6% are trucks.

How long is State Route 1 over Solomon Canyon Creek?

The structure is 77 ft (23.5 m) long with a longest span of 30 ft (9.1 m) and a deck 34 ft wide.

Who owns State Route 1 over Solomon Canyon Creek?

It is owned by the State Highway Agency.