US Bridges

Hilltop Drive EB over Interstate 80

Fair

Contra Costa County, California · 04-CC-080-5.99-RCH · Structure no. 28 0281R

Built
2009
16 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
295 ft
2 main spans
Daily traffic
32,500
2017 count
Owner
State
State Highway Agency

About this bridge

Hilltop Drive EB over Interstate 80 is a prestressed concrete continuous box beam or girders - multiple carrying Hilltop Drive EB over Interstate 80 in Contra Costa County, California. It was built in 2009, so it is 16 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 32,500 vehicles a day, roughly 1% of them trucks, projected to reach 32,712 by 2041. The structure is 295 ft (89.9 m) long and 44 ft wide.

Location

Open in Google Maps
CarriesHilltop Drive EB
CrossesInterstate 80
Location04-CC-080-5.99-RCH
RouteCity Street 0
CountyContra Costa County
StateCalifornia
Coordinates37.97623, -122.31892
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.3 US tons
Inventory rating44.3 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length295 ft (89.9 m)
Longest span154 ft (46.9 m)
Deck width44 ft (13.3 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,500 (2017)
Projected traffic32,712 by 2041
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
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 Hilltop Drive EB over Interstate 80 built?

It was built in 2009, making it 16 years old in 2025.

What condition is Hilltop Drive EB 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 July 2023.

How much traffic does Hilltop Drive EB over Interstate 80 carry?

About 32,500 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is Hilltop Drive EB over Interstate 80?

The structure is 295 ft (89.9 m) long with a longest span of 154 ft (46.9 m) and a deck 44 ft wide.

Who owns Hilltop Drive EB over Interstate 80?

It is owned by the State Highway Agency.