US Bridges

Sunset Blvd over Antelope Creek

Good

Placer County, California · E of South Whitney Blvd · Structure no. 19C0299

Built
1991
34 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete
Length
31 ft
1 main span
Daily traffic
4,000
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Sunset Blvd over Antelope Creek is a concrete slab carrying Sunset Blvd over Antelope Creek in Placer County, California. It was built in 1991, so it is 34 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 4,000 vehicles a day, roughly 2% of them trucks, projected to reach 5,200 by 2044. The structure is 31 ft (9.6 m) long and 126 ft wide.

CarriesSunset Blvd
CrossesAntelope Creek
LocationE of South Whitney Blvd
RouteCity Street 0
Coordinates38.78584, -121.25042
Functional classUrban Other Principal 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 protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length31 ft (9.6 m)
Longest span30 ft (9.2 m)
Deck width126 ft (38.4 m)
Roadway width84 ft (25.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,000 (2024)
Projected traffic5,200 by 2044
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Sunset Blvd over Antelope Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is Sunset Blvd over Antelope 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 October 2024.

How much traffic does Sunset Blvd over Antelope Creek carry?

About 4,000 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Sunset Blvd over Antelope Creek?

The structure is 31 ft (9.6 m) long with a longest span of 30 ft (9.2 m) and a deck 126 ft wide.

Who owns Sunset Blvd over Antelope Creek?

It is owned by the City or Municipal Highway Agency.