US Bridges

State Route 299 over Cedar Creek

Fair

Shasta County, California · 02-SHA-299-48.39 · Structure no. 06 0202

Built
2000
25 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
460 ft
3 main spans
Daily traffic
3,700
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 299 over Cedar Creek is a prestressed concrete continuous box beam or girders - multiple carrying State Route 299 over Cedar Creek in Shasta County, California. It was built in 2000, so it is 25 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 3,700 vehicles a day, projected to reach 6,051 by 2045. The structure is 460 ft (140.2 m) long and 43 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

Location

Open in Google Maps
CarriesState Route 299
CrossesCedar Creek
Location02-SHA-299-48.39
RouteState Highway 299
CountyShasta County
StateCalifornia
Coordinates40.77019, -122.00943
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length460 ft (140.2 m)
Longest span187 ft (57 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,700 (2009)
Projected traffic6,051 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 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 State Route 299 over Cedar Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is State Route 299 over Cedar Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2023.

How much traffic does State Route 299 over Cedar Creek carry?

About 3,700 vehicles per day (2009 count).

How long is State Route 299 over Cedar Creek?

The structure is 460 ft (140.2 m) long with a longest span of 187 ft (57 m) and a deck 43 ft wide.

Who owns State Route 299 over Cedar Creek?

It is owned by the State Highway Agency.