US Bridges

Stone Bridge Road over Meadow Creek

Good

Sonoma County, California · 0.6 MI W of Oakmont DR · Structure no. 20C0558

Built
1978
47 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
2,000
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Stone Bridge Road over Meadow Creek is a concrete continuous culvert carrying Stone Bridge Road over Meadow Creek in Sonoma County, California. It was built in 1978, so it is 47 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 2,000 vehicles a day, roughly 3% of them trucks, projected to reach 3,000 by 2044. The structure is 26 ft (7.8 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesStone Bridge Road
CrossesMeadow Creek
Location0.6 MI W of Oakmont DR
RouteCity Street 0
Coordinates38.44623, -122.61568
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length26 ft (7.8 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2019)
Projected traffic3,000 by 2044
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Stone Bridge Road over Meadow Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is Stone Bridge Road over Meadow 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 2024.

How much traffic does Stone Bridge Road over Meadow Creek carry?

About 2,000 vehicles per day (2019 count), of which roughly 3% are trucks.

How long is Stone Bridge Road over Meadow Creek?

The structure is 26 ft (7.8 m) long with a longest span of 12 ft (3.7 m).

Who owns Stone Bridge Road over Meadow Creek?

It is owned by the City or Municipal Highway Agency.