US Bridges

Lodoga-Stonyfrd RD over Stony Creek

Good

Colusa County, California · In Stonyford · Structure no. 15C0002

Built
1958
67 years old
Condition
Good
inspected October 2024
Type
Tee Beam
Concrete Continuous
Length
356 ft
5 main spans
Daily traffic
342
2014 count
Owner
County
County Highway Agency

About this bridge

Lodoga-Stonyfrd RD over Stony Creek is a concrete continuous tee beam carrying Lodoga-Stonyfrd RD over Stony Creek in Colusa 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 342 vehicles a day, roughly 10% of them trucks, projected to reach 887 by 2046. The structure is 356 ft (108.5 m) long and 29 ft wide. If it were closed, the detour would be 96.9 mi (156 km).

CarriesLodoga-Stonyfrd RD
CrossesStony Creek
LocationIn Stonyford
RouteCounty Highway 0
Coordinates39.38163, -122.55128
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating32.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length356 ft (108.5 m)
Longest span70 ft (21.3 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic342 (2014)
Projected traffic887 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed96.9 mi (156 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lodoga-Stonyfrd RD over Stony Creek built?

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

What condition is Lodoga-Stonyfrd RD over Stony 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 2024.

How much traffic does Lodoga-Stonyfrd RD over Stony Creek carry?

About 342 vehicles per day (2014 count), of which roughly 10% are trucks.

How long is Lodoga-Stonyfrd RD over Stony Creek?

The structure is 356 ft (108.5 m) long with a longest span of 70 ft (21.3 m) and a deck 29 ft wide.

Who owns Lodoga-Stonyfrd RD over Stony Creek?

It is owned by the County Highway Agency.