US Bridges

Richmond Pkwy NB over Giant UP RR BNSF AMTRAK

Poor

Contra Costa County, California · 3 MI SW of I-80 · Structure no. 28C0474R

Built
1995
30 years old
Condition
Poor
inspected December 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
2,354 ft
24 main spans
Daily traffic
27,000
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Richmond Pkwy NB over Giant UP RR BNSF AMTRAK is a prestressed concrete continuous box beam or girders - multiple carrying Richmond Pkwy NB over Giant UP RR BNSF AMTRAK in Contra Costa County, California. It was built in 1995, so it is 30 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 27,000 vehicles a day, roughly 5% of them trucks, projected to reach 29,141 by 2042. The structure is 2,354 ft (717.5 m) long and 40 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesRichmond Pkwy NB
CrossesGiant UP RR BNSF AMTRAK
Location3 MI SW of I-80
RouteCounty Highway 0
Coordinates37.97634, -122.35883
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 adequacy8: Equal to present desirable criteria
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 spans24
Design loadHS 20 + Mod
Structure length2,354 ft (717.5 m)
Longest span142 ft (43.3 m)
Deck width40 ft (12.3 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,000 (2020)
Projected traffic29,141 by 2042
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$15.2 million (2021 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Richmond Pkwy NB over Giant UP RR BNSF AMTRAK built?

It was built in 1995, making it 30 years old in 2025.

What condition is Richmond Pkwy NB over Giant UP RR BNSF AMTRAK in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2024.

How much traffic does Richmond Pkwy NB over Giant UP RR BNSF AMTRAK carry?

About 27,000 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Richmond Pkwy NB over Giant UP RR BNSF AMTRAK?

The structure is 2,354 ft (717.5 m) long with a longest span of 142 ft (43.3 m) and a deck 40 ft wide.

Who owns Richmond Pkwy NB over Giant UP RR BNSF AMTRAK?

It is owned by the City or Municipal Highway Agency.