US Bridges

Conde Lane over Pool Creek

Fair

Sonoma County, California · 0.2 MI N of Shiloh RD · Structure no. 20C0580

Built
2008
17 years old
Condition
Fair
inspected July 2023
Type
Arch - Deck
Concrete
Length
78 ft
1 main span
Daily traffic
3,000
2013 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Conde Lane over Pool Creek is a concrete arch - deck carrying Conde Lane over Pool Creek in Sonoma County, California. It was built in 2008, so it is 17 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 3,000 vehicles a day, roughly 3% of them trucks, projected to reach 4,094 by 2045. The structure is 78 ft (23.8 m) long. If it were closed, the detour would be 4.3 mi (7 km).

Location

Open in Google Maps
CarriesConde Lane
CrossesPool Creek
Location0.2 MI N of Shiloh RD
RouteCity Street 0
CountySonoma County
StateCalifornia
Coordinates38.52769, -122.79798
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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 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 rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length78 ft (23.8 m)
Longest span72 ft (21.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2013)
Projected traffic4,094 by 2045
Trucks3%
Lanes on structure2
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 Conde Lane over Pool Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is Conde Lane over Pool 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 Conde Lane over Pool Creek carry?

About 3,000 vehicles per day (2013 count), of which roughly 3% are trucks.

How long is Conde Lane over Pool Creek?

The structure is 78 ft (23.8 m) long with a longest span of 72 ft (21.9 m).

Who owns Conde Lane over Pool Creek?

It is owned by the Town or Township Highway Agency.