US Bridges

Fitzpatrick Lane over Fay Creek

Fair

Sonoma County, California · 0.9 MI N Salmon Creek RD · Structure no. 20C0311

Built
1973
52 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
75 ft
4 main spans
Daily traffic
300
2009 count
Owner
County
County Highway Agency

About this bridge

Fitzpatrick Lane over Fay Creek is a steel stringer/multi-beam or girder carrying Fitzpatrick Lane over Fay Creek in Sonoma County, California. It was built in 1973, so it is 52 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 300 vehicles a day, roughly 5% of them trucks, projected to reach 335 by 2042. The structure is 75 ft (22.9 m) long and 14 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesFitzpatrick Lane
CrossesFay Creek
Location0.9 MI N Salmon Creek RD
RouteCounty Highway 0
CountySonoma County
StateCalifornia
Coordinates38.3699, -123.00146
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating42.1 US tons
Inventory rating25.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans4
Design loadUnknown
Structure length75 ft (22.9 m)
Longest span22 ft (6.7 m)
Deck width14 ft (4.3 m)
Roadway width13 ft (4.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2009)
Projected traffic335 by 2042
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Fitzpatrick Lane over Fay Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is Fitzpatrick Lane over Fay Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2024.

How much traffic does Fitzpatrick Lane over Fay Creek carry?

About 300 vehicles per day (2009 count), of which roughly 5% are trucks.

How long is Fitzpatrick Lane over Fay Creek?

The structure is 75 ft (22.9 m) long with a longest span of 22 ft (6.7 m) and a deck 14 ft wide.

Who owns Fitzpatrick Lane over Fay Creek?

It is owned by the County Highway Agency.