US Bridges

Old Fibreboard RD over Little Truckee River

Good

Sierra County, California · S of Jackson Meadow RD · Structure no. 13C0061

Built
2014
11 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
108 ft
1 main span
Daily traffic
400
2014 count
Owner
County
County Highway Agency

About this bridge

Old Fibreboard RD over Little Truckee River is a prestressed concrete box beam or girders - multiple carrying Old Fibreboard RD over Little Truckee River in Sierra County, California. It was built in 2014, so it is 11 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 400 vehicles a day, roughly 10% of them trucks, projected to reach 536 by 2041. The structure is 108 ft (32.9 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOld Fibreboard RD
CrossesLittle Truckee River
LocationS of Jackson Meadow RD
RouteCounty Highway 0
Coordinates39.49135, -120.29493
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length108 ft (32.9 m)
Longest span108 ft (32.9 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2014)
Projected traffic536 by 2041
Trucks10%
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Fibreboard RD over Little Truckee River built?

It was built in 2014, making it 11 years old in 2025.

What condition is Old Fibreboard RD over Little Truckee River 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 2023.

How much traffic does Old Fibreboard RD over Little Truckee River carry?

About 400 vehicles per day (2014 count), of which roughly 10% are trucks.

How long is Old Fibreboard RD over Little Truckee River?

The structure is 108 ft (32.9 m) long with a longest span of 108 ft (32.9 m) and a deck 31 ft wide.

Who owns Old Fibreboard RD over Little Truckee River?

It is owned by the County Highway Agency.