US Bridges

Weimar Oc over Interstate 80

Fair

Placer County, California · 03-PLA-080-28.59 · Structure no. 19 0082

Built
1958
67 years old
Condition
Fair
inspected December 2023
Type
Tee Beam
Concrete Continuous
Length
129 ft
2 main spans
Daily traffic
1,090
2016 count
Owner
State
State Highway Agency

About this bridge

Weimar Oc over Interstate 80 is a concrete continuous tee beam carrying Weimar Oc over Interstate 80 in Placer County, California. It was built in 1958, so it is 67 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 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 1,090 vehicles a day, roughly 1% of them trucks, projected to reach 2,152 by 2044. The structure is 129 ft (39.4 m) long and 35 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesWeimar Oc
CrossesInterstate 80
Location03-PLA-080-28.59
RouteCounty Highway 0
Coordinates39.03455, -120.97536
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating34.3 US tons
Inventory rating26.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length129 ft (39.4 m)
Longest span69 ft (21 m)
Deck width35 ft (10.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,090 (2016)
Projected traffic2,152 by 2044
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed8.1 mi (13 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 Weimar Oc over Interstate 80 built?

It was built in 1958, making it 67 years old in 2025.

What condition is Weimar Oc over Interstate 80 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 December 2023.

How much traffic does Weimar Oc over Interstate 80 carry?

About 1,090 vehicles per day (2016 count), of which roughly 1% are trucks.

How long is Weimar Oc over Interstate 80?

The structure is 129 ft (39.4 m) long with a longest span of 69 ft (21 m) and a deck 35 ft wide.

Who owns Weimar Oc over Interstate 80?

It is owned by the State Highway Agency.