US Bridges

Fulton Road over Santa Rosa Creek

Good

Sonoma County, California · 1/4 MI S College Ave · Structure no. 20C0100

Built
1960
65 years old, rebuilt 1985
Condition
Good
inspected June 2022
Type
Tee Beam
Prestressed Concrete
Length
118 ft
1 main span
Daily traffic
19,000
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Fulton Road over Santa Rosa Creek is a prestressed concrete tee beam carrying Fulton Road over Santa Rosa Creek in Sonoma County, California. It was built in 1960 and reconstructed in 1985, so it is 65 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 19,000 vehicles a day, roughly 5% of them trucks, projected to reach 44,557 by 2044. The structure is 118 ft (36.1 m) long and 81 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesFulton Road
CrossesSanta Rosa Creek
Location1/4 MI S College Ave
RouteCity Street 0
CountySonoma County
StateCalifornia
Coordinates38.44163, -122.7695
Functional classUrban Minor Arterial

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 inspectionJune 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.3 US tons
Inventory rating30.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+1 approach)
Design loadHS 20
Structure length118 ft (36.1 m)
Longest span59 ft (18.1 m)
Deck width81 ft (24.7 m)
Roadway width55 ft (16.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,000 (2017)
Projected traffic44,557 by 2044
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 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 Fulton Road over Santa Rosa Creek built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1985.

What condition is Fulton Road 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 June 2022.

How much traffic does Fulton Road over Santa Rosa Creek carry?

About 19,000 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Fulton Road over Santa Rosa Creek?

The structure is 118 ft (36.1 m) long with a longest span of 59 ft (18.1 m) and a deck 81 ft wide.

Who owns Fulton Road over Santa Rosa Creek?

It is owned by the City or Municipal Highway Agency.