US Bridges

State Route 154 over Cold Spring Canyon

Fair

Santa Barbara County, California · 05-SB-154-22.96 · Structure no. 51 0037

Built
1963
62 years old
Condition
Fair
inspected September 2023
Type
Arch - Deck
Steel
Length
1,218 ft
11 main spans
Daily traffic
13,500
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 154 over Cold Spring Canyon is a steel arch - deck carrying State Route 154 over Cold Spring Canyon in Santa Barbara County, California. It was built in 1963, so it is 62 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 5 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 13,500 vehicles a day, projected to reach 31,633 by 2043. The structure is 1,218 ft (371.2 m) long and 34 ft wide. If it were closed, the detour would be 39.1 mi (63 km).

Location

Open in Google Maps
CarriesState Route 154
CrossesCold Spring Canyon
Location05-SB-154-22.96
RouteState Highway 154
CountySanta Barbara County
StateCalifornia
Coordinates34.52703, -119.83595
Functional classRural 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
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 rating61.1 US tons
Inventory rating36.4 US tons

Structure

Structure typeArch - Deck
MaterialSteel
DeckConcrete, cast-in-place
Main spans11 (+8 approach)
Design loadHS 20 + Mod
Structure length1,218 ft (371.2 m)
Longest span700 ft (213.4 m)
Deck width34 ft (10.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,500 (2009)
Projected traffic31,633 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.1 mi (63 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible 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 154 over Cold Spring Canyon built?

It was built in 1963, making it 62 years old in 2025.

What condition is State Route 154 over Cold Spring Canyon 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 State Route 154 over Cold Spring Canyon carry?

About 13,500 vehicles per day (2009 count).

How long is State Route 154 over Cold Spring Canyon?

The structure is 1,218 ft (371.2 m) long with a longest span of 700 ft (213.4 m) and a deck 34 ft wide.

Who owns State Route 154 over Cold Spring Canyon?

It is owned by the State Highway Agency.