US Bridges

SR 3 over East Fork Stuart Fork CR

Good

Trinity County, California · 02-TRI-003-53.69 · Structure no. 05 0087

Built
2008
17 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
85 ft
1 main span
Daily traffic
865
2009 count
Owner
State
State Highway Agency

About this bridge

SR 3 over East Fork Stuart Fork CR is a prestressed concrete stringer/multi-beam or girder carrying SR 3 over East Fork Stuart Fork CR in Trinity 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 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 865 vehicles a day, projected to reach 746 by 2046. The structure is 85 ft (25.8 m) long and 43 ft wide. If it were closed, the detour would be 36 mi (58 km).

CarriesSR 3
CrossesEast Fork Stuart Fork CR
Location02-TRI-003-53.69
RouteState Highway 3
Coordinates40.91501, -122.77178
Functional classRural Minor Arterial

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length85 ft (25.8 m)
Longest span80 ft (24.4 m)
Deck width43 ft (13.2 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic865 (2009)
Projected traffic746 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed36 mi (58 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR 3 over East Fork Stuart Fork CR built?

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

What condition is SR 3 over East Fork Stuart Fork CR 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 August 2024.

How much traffic does SR 3 over East Fork Stuart Fork CR carry?

About 865 vehicles per day (2009 count).

How long is SR 3 over East Fork Stuart Fork CR?

The structure is 85 ft (25.8 m) long with a longest span of 80 ft (24.4 m) and a deck 43 ft wide.

Who owns SR 3 over East Fork Stuart Fork CR?

It is owned by the State Highway Agency.