US Bridges

Richmond Parkway over Interstate 80

Fair

Contra Costa County, California · 04-CC-080-6.70-PIN · Structure no. 28 0308

Built
1997
28 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
581 ft
3 main spans
Daily traffic
31,057
2019 count
Owner
State
State Highway Agency

About this bridge

Richmond Parkway over Interstate 80 is a prestressed concrete continuous box beam or girders - multiple carrying Richmond Parkway over Interstate 80 in Contra Costa County, California. It was built in 1997, so it is 28 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 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 31,057 vehicles a day, roughly 3% of them trucks, projected to reach 73,919 by 2041. The structure is 581 ft (177 m) long and 117 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRichmond Parkway
CrossesInterstate 80
Location04-CC-080-6.70-PIN
RouteCity Street 0
Coordinates37.98673, -122.3154
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length581 ft (177 m)
Longest span184 ft (56 m)
Deck width117 ft (35.6 m)
Roadway width101 ft (30.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,057 (2019)
Projected traffic73,919 by 2041
Trucks3%
Lanes on structure9
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 Richmond Parkway over Interstate 80 built?

It was built in 1997, making it 28 years old in 2025.

What condition is Richmond Parkway 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 Richmond Parkway over Interstate 80 carry?

About 31,057 vehicles per day (2019 count), of which roughly 3% are trucks.

How long is Richmond Parkway over Interstate 80?

The structure is 581 ft (177 m) long with a longest span of 184 ft (56 m) and a deck 117 ft wide.

Who owns Richmond Parkway over Interstate 80?

It is owned by the State Highway Agency.