US Bridges

Interstate 80 over Bowman Road

Fair

Placer County, California · 03-PLA-080-R20.13 · Structure no. 19 0042

Built
1973
52 years old
Condition
Fair
inspected December 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
115 ft
1 main span
Daily traffic
55,000
2019 count
Owner
State
State Highway Agency

About this bridge

Interstate 80 over Bowman Road is a prestressed concrete box beam or girders - multiple carrying Interstate 80 over Bowman Road in Placer County, California. It was built in 1973, so it is 52 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 55,000 vehicles a day, roughly 14% of them trucks, projected to reach 87,805 by 2045. The structure is 115 ft (35.1 m) long and 130 ft wide.

CarriesInterstate 80
CrossesBowman Road
Location03-PLA-080-R20.13
RouteInterstate 80
Coordinates38.93284, -121.05486
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating36.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length115 ft (35.1 m)
Longest span114 ft (34.7 m)
Deck width130 ft (39.6 m)
Roadway width126 ft (38.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55,000 (2019)
Projected traffic87,805 by 2045
Trucks14%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 Interstate 80 over Bowman Road built?

It was built in 1973, making it 52 years old in 2025.

What condition is Interstate 80 over Bowman Road 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 Interstate 80 over Bowman Road carry?

About 55,000 vehicles per day (2019 count), of which roughly 14% are trucks.

How long is Interstate 80 over Bowman Road?

The structure is 115 ft (35.1 m) long with a longest span of 114 ft (34.7 m) and a deck 130 ft wide.

Who owns Interstate 80 over Bowman Road?

It is owned by the State Highway Agency.