US Bridges

State Route 246 over Santa Rosa Creek

Fair

Santa Barbara County, California · 05-SB-246-R20.22 · Structure no. 51 0139

Built
2000
25 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
207 ft
1 main span
Daily traffic
16,000
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 246 over Santa Rosa Creek is a prestressed concrete box beam or girders - multiple carrying State Route 246 over Santa Rosa Creek in Santa Barbara County, California. It was built in 2000, so it is 25 years old, younger 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 16,000 vehicles a day, projected to reach 52,360 by 2043. The structure is 207 ft (63 m) long and 43 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesState Route 246
CrossesSanta Rosa Creek
Location05-SB-246-R20.22
RouteState Highway 246
Coordinates34.63268, -120.28822
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJuly 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.9 US tons
Inventory rating47.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length207 ft (63 m)
Longest span207 ft (63 m)
Deck width43 ft (13.1 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,000 (2009)
Projected traffic52,360 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemNo
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was State Route 246 over Santa Rosa Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is State Route 246 over Santa Rosa 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 July 2023.

How much traffic does State Route 246 over Santa Rosa Creek carry?

About 16,000 vehicles per day (2009 count).

How long is State Route 246 over Santa Rosa Creek?

The structure is 207 ft (63 m) long with a longest span of 207 ft (63 m) and a deck 43 ft wide.

Who owns State Route 246 over Santa Rosa Creek?

It is owned by the State Highway Agency.