US Bridges

South Perimeter Ro over Water Channel

Fair

Riverside County, California · Bridge Located Across Fli · Structure no. AFCAPDPG15002

Built
1956
69 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
47 ft
3 main spans
Daily traffic
4
2015 count
Owner
Federal
Air Force

About this bridge

South Perimeter Ro over Water Channel is a steel continuous stringer/multi-beam or girder carrying South Perimeter Ro over Water Channel in Riverside County, California. It was built in 1956, so it is 69 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 vehicles a day, projected to reach 5 by 2035. The structure is 47 ft (14.3 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesSouth Perimeter Ro
CrossesWater Channel
LocationBridge Located Across Fli
RouteFederal Lands Road 0
CountyRiverside County
StateCalifornia
Coordinates33.86103, -117.247
Functional classRural 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckWood or timber
Main spans3
Design loadUnknown
Structure length47 ft (14.3 m)
Longest span19 ft (5.8 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4 (2015)
Projected traffic5 by 2035
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerAir Force
Maintained byAir Force
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$128,000
NavigationNo navigation control on waterway

Frequently asked questions

When was South Perimeter Ro over Water Channel built?

It was built in 1956, making it 69 years old in 2025.

What condition is South Perimeter Ro over Water 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 August 2023.

How much traffic does South Perimeter Ro over Water Channel carry?

About 4 vehicles per day (2015 count).

How long is South Perimeter Ro over Water Channel?

The structure is 47 ft (14.3 m) long with a longest span of 19 ft (5.8 m) and a deck 16 ft wide.

Who owns South Perimeter Ro over Water Channel?

It is owned by the Air Force.