US Bridges

Via Columbard over Rogers Creek

Fair

Sonoma County, California · 0.7 MI W/O Arnold Drive · Structure no. 20C0571

Built
1987
38 years old
Condition
Fair
inspected May 2021
Type
Culvert
Concrete Continuous
Length
28 ft
2 main spans
Daily traffic
200
2015 count
Owner
County
County Highway Agency

About this bridge

Via Columbard over Rogers Creek is a concrete continuous culvert carrying Via Columbard over Rogers Creek in Sonoma County, California. It was built in 1987, so it is 38 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 6 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 200 vehicles a day, roughly 4% of them trucks, projected to reach 329 by 2040. The structure is 28 ft (8.5 m) long and 53 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesVia Columbard
CrossesRogers Creek
Location0.7 MI W/O Arnold Drive
RouteCounty Highway 0
CountySonoma County
StateCalifornia
Coordinates38.26436, -122.4968
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span10 ft (3 m)
Deck width53 ft (16.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2015)
Projected traffic329 by 2040
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Via Columbard over Rogers Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is Via Columbard over Rogers 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 May 2021.

How much traffic does Via Columbard over Rogers Creek carry?

About 200 vehicles per day (2015 count), of which roughly 4% are trucks.

How long is Via Columbard over Rogers Creek?

The structure is 28 ft (8.5 m) long with a longest span of 10 ft (3 m) and a deck 53 ft wide.

Who owns Via Columbard over Rogers Creek?

It is owned by the County Highway Agency.