US Bridges

Montecito Blvd over Ducker Creek

Good

Sonoma County, California · S of Baird Blvd · Structure no. 20C0567

Built
1983
42 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete
Length
25 ft
1 main span
Daily traffic
1,000
2011 count
Owner
City
City or Municipal Highway Agency

About this bridge

Montecito Blvd over Ducker Creek is a concrete culvert carrying Montecito Blvd over Ducker Creek in Sonoma County, California. It was built in 1983, so it is 42 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,000 vehicles a day, roughly 3% of them trucks, projected to reach 1,257 by 2046. The structure is 25 ft (7.7 m) long and 66 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesMontecito Blvd
CrossesDucker Creek
LocationS of Baird Blvd
RouteCity Street 0
Coordinates38.47741, -122.6666
Functional classRural Minor 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 protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
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 typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length25 ft (7.7 m)
Longest span16 ft (4.9 m)
Deck width66 ft (20 m)
Roadway width60 ft (18.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2011)
Projected traffic1,257 by 2046
Trucks3%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Montecito Blvd over Ducker Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is Montecito Blvd over Ducker 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 2024.

How much traffic does Montecito Blvd over Ducker Creek carry?

About 1,000 vehicles per day (2011 count), of which roughly 3% are trucks.

How long is Montecito Blvd over Ducker Creek?

The structure is 25 ft (7.7 m) long with a longest span of 16 ft (4.9 m) and a deck 66 ft wide.

Who owns Montecito Blvd over Ducker Creek?

It is owned by the City or Municipal Highway Agency.