US Bridges

Yulupa Avenue over Santa Rosa Creek

Good

Sonoma County, California · 0.1 MI N Montgomery Dr. · Structure no. 20C0519

Built
1996
29 years old
Condition
Good
inspected August 2022
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
142 ft
2 main spans
Daily traffic
1,200
2010 count
Owner
City
City or Municipal Highway Agency

About this bridge

Yulupa Avenue over Santa Rosa Creek is a concrete continuous box beam or girders - multiple carrying Yulupa Avenue over Santa Rosa Creek in Sonoma County, California. It was built in 1996, so it is 29 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 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 1,200 vehicles a day, roughly 1% of them trucks, projected to reach 2,680 by 2044. The structure is 142 ft (43.3 m) long and 44 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesYulupa Avenue
CrossesSanta Rosa Creek
Location0.1 MI N Montgomery Dr.
RouteCity Street 0
CountySonoma County
StateCalifornia
Coordinates38.45094, -122.67939
Functional classUrban Local

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 protection8 Very GoodNo problems noted.
Last inspectionAugust 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length142 ft (43.3 m)
Longest span70 ft (21.3 m)
Deck width44 ft (13.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2010)
Projected traffic2,680 by 2044
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 Yulupa Avenue over Santa Rosa Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is Yulupa Avenue over Santa Rosa 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 2022.

How much traffic does Yulupa Avenue over Santa Rosa Creek carry?

About 1,200 vehicles per day (2010 count), of which roughly 1% are trucks.

How long is Yulupa Avenue over Santa Rosa Creek?

The structure is 142 ft (43.3 m) long with a longest span of 70 ft (21.3 m) and a deck 44 ft wide.

Who owns Yulupa Avenue over Santa Rosa Creek?

It is owned by the City or Municipal Highway Agency.