US Bridges

State Route 70 over Yellow Creek

Good

Plumas County, California · 02-PLU-070-14.90 · Structure no. 09 0078

Built
2020
5 years old
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
207 ft
1 main span
Daily traffic
1,345
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 70 over Yellow Creek is a prestressed concrete box beam or girders - multiple carrying State Route 70 over Yellow Creek in Plumas County, California. It was built in 2020, so it is 5 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 1,345 vehicles a day, projected to reach 1,500 by 2040. The structure is 207 ft (63 m) long and 48 ft wide. If it were closed, the detour would be 41 mi (66 km).

Location

Open in Google Maps
CarriesState Route 70
CrossesYellow Creek
Location02-PLU-070-14.90
RouteState Highway 70
CountyPlumas County
StateCalifornia
Coordinates40.00703, -121.2506
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length207 ft (63 m)
Longest span199 ft (60.6 m)
Deck width48 ft (14.6 m)
Roadway width45 ft (13.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,345 (2009)
Projected traffic1,500 by 2040
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed41 mi (66 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was State Route 70 over Yellow Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is State Route 70 over Yellow 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 June 2023.

How much traffic does State Route 70 over Yellow Creek carry?

About 1,345 vehicles per day (2009 count).

How long is State Route 70 over Yellow Creek?

The structure is 207 ft (63 m) long with a longest span of 199 ft (60.6 m) and a deck 48 ft wide.

Who owns State Route 70 over Yellow Creek?

It is owned by the State Highway Agency.