US Bridges

Montecito RD over Santa Maria Creek

Good

San Diego County, California · 0.3 MI N/W of RTE 78 · Structure no. 57C0146

Built
1957
68 years old
Condition
Good
inspected August 2021
Type
Slab
Concrete Continuous
Length
130 ft
5 main spans
Daily traffic
3,300
2016 count
Owner
County
County Highway Agency

About this bridge

Montecito RD over Santa Maria Creek is a concrete continuous slab carrying Montecito RD over Santa Maria Creek in San Diego County, California. It was built in 1957, so it is 68 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 3,300 vehicles a day, roughly 2% of them trucks, projected to reach 4,000 by 2038. The structure is 130 ft (39.6 m) long and 29 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMontecito RD
CrossesSanta Maria Creek
Location0.3 MI N/W of RTE 78
RouteCounty Highway 0
Coordinates33.04027, -116.8808
Functional classUrban Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length130 ft (39.6 m)
Longest span38 ft (11.6 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,300 (2016)
Projected traffic4,000 by 2038
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Montecito RD over Santa Maria Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is Montecito RD over Santa Maria 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 August 2021.

How much traffic does Montecito RD over Santa Maria Creek carry?

About 3,300 vehicles per day (2016 count), of which roughly 2% are trucks.

How long is Montecito RD over Santa Maria Creek?

The structure is 130 ft (39.6 m) long with a longest span of 38 ft (11.6 m) and a deck 29 ft wide.

Who owns Montecito RD over Santa Maria Creek?

It is owned by the County Highway Agency.