US Bridges

Wills RD over Antelope Creek

Fair

Placer County, California · At Atlantic Street · Structure no. 19C0184

Built
1985
40 years old, rebuilt 1993
Condition
Fair
inspected June 2024
Type
Slab
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
11,170
2003 count
Owner
City
City or Municipal Highway Agency

About this bridge

Wills RD over Antelope Creek is a prestressed concrete slab carrying Wills RD over Antelope Creek in Placer County, California. It was built in 1985 and reconstructed in 1993, so it is 40 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 5 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 11,170 vehicles a day, roughly 2% of them trucks, projected to reach 15,354 by 2042. The structure is 60 ft (18.3 m) long and 75 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesWills RD
CrossesAntelope Creek
LocationAt Atlantic Street
RouteCity Street 0
CountyPlacer County
StateCalifornia
Coordinates38.75768, -121.26776
Functional classUrban Minor 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length60 ft (18.3 m)
Longest span60 ft (18.3 m)
Deck width75 ft (22.9 m)
Roadway width63 ft (19.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,170 (2003)
Projected traffic15,354 by 2042
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Wills RD over Antelope Creek built?

It was built in 1985, making it 40 years old in 2025. It was reconstructed in 1993.

What condition is Wills RD over Antelope Creek 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 2024.

How much traffic does Wills RD over Antelope Creek carry?

About 11,170 vehicles per day (2003 count), of which roughly 2% are trucks.

How long is Wills RD over Antelope Creek?

The structure is 60 ft (18.3 m) long with a longest span of 60 ft (18.3 m) and a deck 75 ft wide.

Who owns Wills RD over Antelope Creek?

It is owned by the City or Municipal Highway Agency.