US Bridges

Lincoln Blvd over Auburn Ravine

Fair

Placer County, California · 0.55 MI S of SR 193 · Structure no. 19C0261

Built
1926
99 years old, rebuilt 1971
Condition
Fair
inspected April 2023
Type
Tee Beam
Concrete
Length
120 ft
4 main spans
Daily traffic
29,000
2010 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lincoln Blvd over Auburn Ravine is a concrete tee beam carrying Lincoln Blvd over Auburn Ravine in Placer County, California. It was built in 1926 and reconstructed in 1971, so it is 99 years old, older 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 29,000 vehicles a day, roughly 16% of them trucks, projected to reach 33,565 by 2043. The structure is 120 ft (36.6 m) long and 50 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

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CarriesLincoln Blvd
CrossesAuburn Ravine
Location0.55 MI S of SR 193
RouteCity Street 0
CountyPlacer County
StateCalifornia
Coordinates38.8825, -121.29416
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.8 US tons
Inventory rating25.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length120 ft (36.6 m)
Longest span30 ft (9.1 m)
Deck width50 ft (15.1 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,000 (2010)
Projected traffic33,565 by 2043
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemNo
Strategic Highway NetworkInterstate STRAHNET route

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 Lincoln Blvd over Auburn Ravine built?

It was built in 1926, making it 99 years old in 2025. It was reconstructed in 1971.

What condition is Lincoln Blvd over Auburn Ravine 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 April 2023.

How much traffic does Lincoln Blvd over Auburn Ravine carry?

About 29,000 vehicles per day (2010 count), of which roughly 16% are trucks.

How long is Lincoln Blvd over Auburn Ravine?

The structure is 120 ft (36.6 m) long with a longest span of 30 ft (9.1 m) and a deck 50 ft wide.

Who owns Lincoln Blvd over Auburn Ravine?

It is owned by the City or Municipal Highway Agency.