US Bridges

Shiloh Road over Pruitt Creek

Fair

Sonoma County, California · 0.1 MI East of Conde Lane · Structure no. 20C0575

Built
2012
13 years old
Condition
Fair
inspected July 2023
Type
Arch - Deck
Concrete
Length
62 ft
2 main spans
Daily traffic
20,000
2013 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Shiloh Road over Pruitt Creek is a concrete arch - deck carrying Shiloh Road over Pruitt Creek in Sonoma County, California. It was built in 2012, so it is 13 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 20,000 vehicles a day, roughly 5% of them trucks, projected to reach 28,851 by 2045. The structure is 62 ft (19 m) long. If it were closed, the detour would be 4.3 mi (7 km).

CarriesShiloh Road
CrossesPruitt Creek
Location0.1 MI East of Conde Lane
RouteCity Street 0
Coordinates38.52553, -122.79587
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: 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 rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length62 ft (19 m)
Longest span31 ft (9.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,000 (2013)
Projected traffic28,851 by 2045
Trucks5%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed4.3 mi (7 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Shiloh Road over Pruitt Creek built?

It was built in 2012, making it 13 years old in 2025.

What condition is Shiloh Road over Pruitt 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 July 2023.

How much traffic does Shiloh Road over Pruitt Creek carry?

About 20,000 vehicles per day (2013 count), of which roughly 5% are trucks.

How long is Shiloh Road over Pruitt Creek?

The structure is 62 ft (19 m) long with a longest span of 31 ft (9.5 m).

Who owns Shiloh Road over Pruitt Creek?

It is owned by the Town or Township Highway Agency.