US Bridges

Sweetbrier Ave over Interstate 5

Poor

Shasta County, California · 02-SHA-005-61.75 · Structure no. 06 0115

Built
1962
63 years old
Condition
Poor
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
229 ft
4 main spans
Daily traffic
400
1998 count
Owner
State
State Highway Agency

About this bridge

Sweetbrier Ave over Interstate 5 is a steel stringer/multi-beam or girder carrying Sweetbrier Ave over Interstate 5 in Shasta County, California. It was built in 1962, so it is 63 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 400 vehicles a day, roughly 5% of them trucks, projected to reach 667 by 2042. The structure is 229 ft (69.9 m) long and 41 ft wide.

CarriesSweetbrier Ave
CrossesInterstate 5
Location02-SHA-005-61.75
RouteCounty Highway 0
Coordinates41.12308, -122.32624
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating83.9 US tons
Inventory rating50.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length229 ft (69.9 m)
Longest span65 ft (19.8 m)
Deck width41 ft (12.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (1998)
Projected traffic667 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
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 Sweetbrier Ave over Interstate 5 built?

It was built in 1962, making it 63 years old in 2025.

What condition is Sweetbrier Ave over Interstate 5 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.

How much traffic does Sweetbrier Ave over Interstate 5 carry?

About 400 vehicles per day (1998 count), of which roughly 5% are trucks.

How long is Sweetbrier Ave over Interstate 5?

The structure is 229 ft (69.9 m) long with a longest span of 65 ft (19.8 m) and a deck 41 ft wide.

Who owns Sweetbrier Ave over Interstate 5?

It is owned by the State Highway Agency.