US Bridges

Radio Lane over Oregon Gulch

Fair

Shasta County, California · 0.2 MI E Eastside RD · Structure no. 06C0164

Built
1960
65 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
4,110
2014 count
Owner
City
City or Municipal Highway Agency

About this bridge

Radio Lane over Oregon Gulch is a concrete continuous culvert carrying Radio Lane over Oregon Gulch in Shasta County, California. It was built in 1960, so it is 65 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 4,110 vehicles a day, roughly 1% of them trucks, projected to reach 5,084 by 2041. The structure is 22 ft (6.7 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRadio Lane
CrossesOregon Gulch
Location0.2 MI E Eastside RD
RouteCity Street 0
Coordinates40.5482, -122.38234
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span10 ft (3.2 m)
Deck width34 ft (10.3 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,110 (2014)
Projected traffic5,084 by 2041
Trucks1%
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 Radio Lane over Oregon Gulch built?

It was built in 1960, making it 65 years old in 2025.

What condition is Radio Lane 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 2024.

How much traffic does Radio Lane over Oregon Gulch carry?

About 4,110 vehicles per day (2014 count), of which roughly 1% are trucks.

How long is Radio Lane over Oregon Gulch?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3.2 m) and a deck 34 ft wide.

Who owns Radio Lane over Oregon Gulch?

It is owned by the City or Municipal Highway Agency.