US Bridges

Route 74 over Horse Creek

Good

Riverside County, California · 08-RIV-074-75.66 · Structure no. 56 0185

Built
1984
41 years old
Condition
Good
inspected June 2021
Type
Slab
Concrete Continuous
Length
75 ft
2 main spans
Daily traffic
3,850
2019 count
Owner
State
State Highway Agency

About this bridge

Route 74 over Horse Creek is a concrete continuous slab carrying Route 74 over Horse Creek in Riverside County, California. It was built in 1984, so it is 41 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,850 vehicles a day, roughly 7% of them trucks, projected to reach 7,438 by 2040. The structure is 75 ft (22.9 m) long and 44 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

CarriesRoute 74
CrossesHorse Creek
Location08-RIV-074-75.66
RouteState Highway 74
Coordinates33.56672, -116.52987
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length75 ft (22.9 m)
Longest span39 ft (11.9 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,850 (2019)
Projected traffic7,438 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 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 Route 74 over Horse Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is Route 74 over Horse Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2021.

How much traffic does Route 74 over Horse Creek carry?

About 3,850 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is Route 74 over Horse Creek?

The structure is 75 ft (22.9 m) long with a longest span of 39 ft (11.9 m) and a deck 44 ft wide.

Who owns Route 74 over Horse Creek?

It is owned by the State Highway Agency.