US Bridges

Mcmurray RD over Zaca Creek

Good

Santa Barbara County, California · At Damassa ST · Structure no. 51C0298

Built
1970
55 years old
Condition
Good
inspected February 2024
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
3,100
2011 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mcmurray RD over Zaca Creek is a concrete continuous culvert carrying Mcmurray RD over Zaca Creek in Santa Barbara County, California. It was built in 1970, so it is 55 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 3,100 vehicles a day, roughly 2% of them trucks, projected to reach 6,874 by 2042. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 123.7 mi (199 km).

CarriesMcmurray RD
CrossesZaca Creek
LocationAt Damassa ST
RouteCounty Highway 0
Coordinates34.61844, -120.18795
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection9 ExcellentNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,100 (2011)
Projected traffic6,874 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mcmurray RD over Zaca Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Mcmurray RD over Zaca 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 February 2024.

How much traffic does Mcmurray RD over Zaca Creek carry?

About 3,100 vehicles per day (2011 count), of which roughly 2% are trucks.

How long is Mcmurray RD over Zaca Creek?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m).

Who owns Mcmurray RD over Zaca Creek?

It is owned by the City or Municipal Highway Agency.