US Bridges

Eastside RD over Oregon Gulch

Good

Shasta County, California · 0.75 MI S Radio Lane · Structure no. 06C0169

Built
1945
80 years old, rebuilt 1963
Condition
Good
inspected March 2024
Type
Slab
Concrete Continuous
Length
59 ft
4 main spans
Daily traffic
3,728
2014 count
Owner
City
City or Municipal Highway Agency

About this bridge

Eastside RD over Oregon Gulch is a concrete continuous slab carrying Eastside RD over Oregon Gulch in Shasta County, California. It was built in 1945 and reconstructed in 1963, so it is 80 years old, older 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 3,728 vehicles a day, roughly 10% of them trucks, projected to reach 4,606 by 2041. The structure is 59 ft (18 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesEastside RD
CrossesOregon Gulch
Location0.75 MI S Radio Lane
RouteCity Street 0
Coordinates40.5463, -122.38586
Functional classUrban Local

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating31.4 US tons
Inventory rating19 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length59 ft (18 m)
Longest span23 ft (7 m)
Deck width40 ft (12.2 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,728 (2014)
Projected traffic4,606 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Eastside RD over Oregon Gulch built?

It was built in 1945, making it 80 years old in 2025. It was reconstructed in 1963.

What condition is Eastside RD over Oregon Gulch 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 March 2024.

How much traffic does Eastside RD over Oregon Gulch carry?

About 3,728 vehicles per day (2014 count), of which roughly 10% are trucks.

How long is Eastside RD over Oregon Gulch?

The structure is 59 ft (18 m) long with a longest span of 23 ft (7 m) and a deck 40 ft wide.

Who owns Eastside RD over Oregon Gulch?

It is owned by the City or Municipal Highway Agency.