US Bridges

Gilardi Road over Interstate Route 80

Good

Placer County, California · 03-PLA-080-12.30 · Structure no. 19 0101

Built
1959
66 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
281 ft
4 main spans
Daily traffic
459
2013 count
Owner
State
State Highway Agency

About this bridge

Gilardi Road over Interstate Route 80 is a concrete continuous box beam or girders - multiple carrying Gilardi Road over Interstate Route 80 in Placer County, California. It was built in 1959, so it is 66 years old, older 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 459 vehicles a day, roughly 1% of them trucks, projected to reach 1,175 by 2045. The structure is 281 ft (85.7 m) long and 37 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesGilardi Road
CrossesInterstate Route 80
Location03-PLA-080-12.30
RouteCounty Highway 0
Coordinates38.85446, -121.14429
Functional classRural Minor Collector

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.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.1 US tons
Inventory rating47.2 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length281 ft (85.7 m)
Longest span82 ft (25 m)
Deck width37 ft (11.3 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic459 (2013)
Projected traffic1,175 by 2045
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Gilardi Road over Interstate Route 80 built?

It was built in 1959, making it 66 years old in 2025.

What condition is Gilardi Road over Interstate Route 80 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 October 2023.

How much traffic does Gilardi Road over Interstate Route 80 carry?

About 459 vehicles per day (2013 count), of which roughly 1% are trucks.

How long is Gilardi Road over Interstate Route 80?

The structure is 281 ft (85.7 m) long with a longest span of 82 ft (25 m) and a deck 37 ft wide.

Who owns Gilardi Road over Interstate Route 80?

It is owned by the State Highway Agency.