US Bridges

State Route 74 over S Fork San Jacinto Riv

Fair

Riverside County, California · 08-RIV-074-63.76 · Structure no. 56 0184

Built
1958
67 years old
Condition
Fair
inspected June 2023
Type
Slab
Concrete Continuous
Length
106 ft
4 main spans
Daily traffic
3,570
2016 count
Owner
State
State Highway Agency

About this bridge

State Route 74 over S Fork San Jacinto Riv is a concrete continuous slab carrying State Route 74 over S Fork San Jacinto Riv in Riverside County, California. It was built in 1958, so it is 67 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 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 3,570 vehicles a day, roughly 7% of them trucks, projected to reach 6,772 by 2042. The structure is 106 ft (32.3 m) long and 34 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesState Route 74
CrossesS Fork San Jacinto Riv
Location08-RIV-074-63.76
RouteState Highway 74
Coordinates33.66495, -116.66827
Functional classRural Minor Arterial

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 inspectionJune 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.2 US tons
Inventory rating23.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length106 ft (32.3 m)
Longest span26 ft (7.9 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,570 (2016)
Projected traffic6,772 by 2042
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 State Route 74 over S Fork San Jacinto Riv built?

It was built in 1958, making it 67 years old in 2025.

What condition is State Route 74 over S Fork San Jacinto Riv 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 June 2023.

How much traffic does State Route 74 over S Fork San Jacinto Riv carry?

About 3,570 vehicles per day (2016 count), of which roughly 7% are trucks.

How long is State Route 74 over S Fork San Jacinto Riv?

The structure is 106 ft (32.3 m) long with a longest span of 26 ft (7.9 m) and a deck 34 ft wide.

Who owns State Route 74 over S Fork San Jacinto Riv?

It is owned by the State Highway Agency.