US Bridges

Westside RD over Oregon Gulch

Fair

Shasta County, California · 0.2 MI N Kenyon DR · Structure no. 06C0070

Built
1957
68 years old
Condition
Fair
inspected March 2022
Type
Slab
Concrete Continuous
Length
64 ft
3 main spans
Daily traffic
1,100
2016 count
Owner
City
City or Municipal Highway Agency

About this bridge

Westside RD over Oregon Gulch is a concrete continuous slab carrying Westside RD over Oregon Gulch in Shasta County, California. It was built in 1957, so it is 68 years old, older 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 6 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 1,100 vehicles a day, roughly 2% of them trucks, projected to reach 2,338 by 2041. The structure is 64 ft (19.5 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesWestside RD
CrossesOregon Gulch
Location0.2 MI N Kenyon DR
RouteCity Street 0
CountyShasta County
StateCalifornia
Coordinates40.54621, -122.38685
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110 US tons
Inventory rating67.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length64 ft (19.5 m)
Longest span21 ft (6.4 m)
Deck width36 ft (10.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2016)
Projected traffic2,338 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Westside RD over Oregon Gulch built?

It was built in 1957, making it 68 years old in 2025.

What condition is Westside RD over Oregon Gulch 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 March 2022.

How much traffic does Westside RD over Oregon Gulch carry?

About 1,100 vehicles per day (2016 count), of which roughly 2% are trucks.

How long is Westside RD over Oregon Gulch?

The structure is 64 ft (19.5 m) long with a longest span of 21 ft (6.4 m) and a deck 36 ft wide.

Who owns Westside RD over Oregon Gulch?

It is owned by the City or Municipal Highway Agency.