US Bridges

Radio Road over Arlington Channel

Fair

Riverside County, California · 0.3 Mi. N/O Sixth Street · Structure no. 56C0362

Built
1975
50 years old
Condition
Fair
inspected January 2025
Type
Slab
Concrete
Length
37 ft
1 main span
Daily traffic
1,000
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Radio Road over Arlington Channel is a concrete slab carrying Radio Road over Arlington Channel in Riverside County, California. It was built in 1975, so it is 50 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 1,000 vehicles a day, roughly 2% of them trucks, projected to reach 2,138 by 2043. The structure is 37 ft (11.3 m) long and 52 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesRadio Road
CrossesArlington Channel
Location0.3 Mi. N/O Sixth Street
RouteCity Street 0
CountyRiverside County
StateCalifornia
Coordinates33.87821, -117.54262
Functional classUrban Collector

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating98.5 US tons
Inventory rating59.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span35 ft (10.7 m)
Deck width52 ft (15.8 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2020)
Projected traffic2,138 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Radio Road over Arlington Channel built?

It was built in 1975, making it 50 years old in 2025.

What condition is Radio Road over Arlington Channel 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 January 2025.

How much traffic does Radio Road over Arlington Channel carry?

About 1,000 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Radio Road over Arlington Channel?

The structure is 37 ft (11.3 m) long with a longest span of 35 ft (10.7 m) and a deck 52 ft wide.

Who owns Radio Road over Arlington Channel?

It is owned by the City or Municipal Highway Agency.