US Bridges

State Route 79 over Gilman Springs Road

Fair

Riverside County, California · 08-RIV-079-M33.78 · Structure no. 56 0782

Built
1996
29 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
153 ft
1 main span
Daily traffic
28,356
2016 count
Owner
State
State Highway Agency

About this bridge

State Route 79 over Gilman Springs Road is a prestressed concrete box beam or girders - single or spread carrying State Route 79 over Gilman Springs Road in Riverside County, California. It was built in 1996, so it is 29 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 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 28,356 vehicles a day, roughly 1% of them trucks, projected to reach 50,922 by 2042. The structure is 153 ft (46.6 m) long and 81 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesState Route 79
CrossesGilman Springs Road
Location08-RIV-079-M33.78
RouteState Highway 79
CountyRiverside County
StateCalifornia
Coordinates33.84546, -117.00385
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length153 ft (46.6 m)
Longest span153 ft (46.6 m)
Deck width81 ft (24.8 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,356 (2016)
Projected traffic50,922 by 2042
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was State Route 79 over Gilman Springs Road built?

It was built in 1996, making it 29 years old in 2025.

What condition is State Route 79 over Gilman Springs Road 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 79 over Gilman Springs Road carry?

About 28,356 vehicles per day (2016 count), of which roughly 1% are trucks.

How long is State Route 79 over Gilman Springs Road?

The structure is 153 ft (46.6 m) long with a longest span of 153 ft (46.6 m) and a deck 81 ft wide.

Who owns State Route 79 over Gilman Springs Road?

It is owned by the State Highway Agency.