US Bridges

State Street over Mission Creek

Poor

Santa Barbara County, California · 0.01 MI Intx RTE 225 · Structure no. 51C0260

Built
1991
34 years old
Condition
Poor
inspected February 2024
Type
Slab
Concrete Continuous
Length
93 ft
2 main spans
Daily traffic
7,130
2009 count
Owner
City
City or Municipal Highway Agency

About this bridge

State Street over Mission Creek is a concrete continuous slab carrying State Street over Mission Creek in Santa Barbara County, California. It was built in 1991, so it is 34 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 7,130 vehicles a day, roughly 5% of them trucks, projected to reach 28,922 by 2044. The structure is 93 ft (28.2 m) long and 80 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesState Street
CrossesMission Creek
Location0.01 MI Intx RTE 225
RouteCity Street 0
Coordinates34.41236, -119.68926
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating33.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length93 ft (28.2 m)
Longest span46 ft (14.1 m)
Deck width80 ft (24.4 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,130 (2009)
Projected traffic28,922 by 2044
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.7 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was State Street over Mission Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is State Street over Mission Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2024.

How much traffic does State Street over Mission Creek carry?

About 7,130 vehicles per day (2009 count), of which roughly 5% are trucks.

How long is State Street over Mission Creek?

The structure is 93 ft (28.2 m) long with a longest span of 46 ft (14.1 m) and a deck 80 ft wide.

Who owns State Street over Mission Creek?

It is owned by the City or Municipal Highway Agency.