US Bridges

Route 74 over Blue Ridge Wash

Fair

Riverside County, California · 08-RIV-074-33.89 · Structure no. 56 0257

Built
1941
84 years old, rebuilt 1971
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
37 ft
2 main spans
Daily traffic
35,190
2016 count
Owner
State
State Highway Agency

About this bridge

Route 74 over Blue Ridge Wash is a concrete culvert carrying Route 74 over Blue Ridge Wash in Riverside County, California. It was built in 1941 and reconstructed in 1971, so it is 84 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 35,190 vehicles a day, roughly 12% of them trucks, projected to reach 58,571 by 2041. The structure is 37 ft (11.3 m) long and 71 ft wide.

CarriesRoute 74
CrossesBlue Ridge Wash
Location08-RIV-074-33.89
RouteState Highway 74
Coordinates33.73883, -117.08424
Functional classRural Principal Arterial - Other

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 protection9 ExcellentNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length37 ft (11.3 m)
Longest span20 ft (6.1 m)
Deck width71 ft (21.6 m)
Roadway width71 ft (21.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,190 (2016)
Projected traffic58,571 by 2041
Trucks12%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 Route 74 over Blue Ridge Wash built?

It was built in 1941, making it 84 years old in 2025. It was reconstructed in 1971.

What condition is Route 74 over Blue Ridge Wash 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 Route 74 over Blue Ridge Wash carry?

About 35,190 vehicles per day (2016 count), of which roughly 12% are trucks.

How long is Route 74 over Blue Ridge Wash?

The structure is 37 ft (11.3 m) long with a longest span of 20 ft (6.1 m) and a deck 71 ft wide.

Who owns Route 74 over Blue Ridge Wash?

It is owned by the State Highway Agency.