US Bridges

Market ST over Dutch Bill Creek

Good

Sonoma County, California · Just S Bohemian HWY · Structure no. 20C0372

Built
1958
67 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
200
2015 count
Owner
County
County Highway Agency

About this bridge

Market ST over Dutch Bill Creek is a concrete continuous culvert carrying Market ST over Dutch Bill Creek in Sonoma County, California. It was built in 1958, so it is 67 years old, older 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 200 vehicles a day, roughly 2% of them trucks, projected to reach 320 by 2041. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMarket ST
CrossesDutch Bill Creek
LocationJust S Bohemian HWY
RouteCounty Highway 0
Coordinates38.42502, -122.95978
Functional classRural 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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2015)
Projected traffic320 by 2041
Trucks2%
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 Market ST over Dutch Bill Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is Market ST over Dutch Bill 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 October 2023.

How much traffic does Market ST over Dutch Bill Creek carry?

About 200 vehicles per day (2015 count), of which roughly 2% are trucks.

How long is Market ST over Dutch Bill Creek?

The structure is 27 ft (8.2 m) long with a longest span of 13 ft (4 m).

Who owns Market ST over Dutch Bill Creek?

It is owned by the County Highway Agency.