US Bridges

Oasis Road over Salt Creek

Fair

Shasta County, California · 0.3 MI East of I-5 · Structure no. 06C0190

Built
1974
51 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete Continuous
Length
82 ft
4 main spans
Daily traffic
5,791
2012 count
Owner
City
City or Municipal Highway Agency

About this bridge

Oasis Road over Salt Creek is a concrete continuous slab carrying Oasis Road over Salt Creek in Shasta County, California. It was built in 1974, so it is 51 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 5,791 vehicles a day, roughly 1% of them trucks, projected to reach 7,161 by 2043. The structure is 82 ft (25 m) long and 34 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesOasis Road
CrossesSalt Creek
Location0.3 MI East of I-5
RouteCity Street 0
Coordinates40.64115, -122.35749
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating88.2 US tons
Inventory rating53.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length82 ft (25 m)
Longest span20 ft (6.1 m)
Deck width34 ft (10.5 m)
Roadway width34 ft (10.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,791 (2012)
Projected traffic7,161 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Oasis Road over Salt Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is Oasis Road over Salt 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 May 2023.

How much traffic does Oasis Road over Salt Creek carry?

About 5,791 vehicles per day (2012 count), of which roughly 1% are trucks.

How long is Oasis Road over Salt Creek?

The structure is 82 ft (25 m) long with a longest span of 20 ft (6.1 m) and a deck 34 ft wide.

Who owns Oasis Road over Salt Creek?

It is owned by the City or Municipal Highway Agency.