US Bridges

Kinney Blvd over County RD & RR

FairPosted for load

Contra Costa County, California · Port Chicago Highway · Structure no. DAPAMCCON000108

Built
1945
80 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
1,385 ft
36 main spans
Daily traffic
20
2019 count
Owner
Federal
Army

About this bridge

Kinney Blvd over County RD & RR is a steel stringer/multi-beam or girder carrying Kinney Blvd over County RD & RR in Contra Costa County, California. It was built in 1945, so it is 80 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. Its operating status is: posted for load restriction.

It carries about 20 vehicles a day, projected to reach 80 by 2044. The structure is 1,385 ft (422.2 m) long and 32 ft wide.

Location

Open in Google Maps
CarriesKinney Blvd
CrossesCounty RD & RR
LocationPort Chicago Highway
CountyContra Costa County
StateCalifornia
Coordinates38.04463, -122.0313
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating52.5 US tons
Inventory rating40.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans36
Design loadHS 20
Structure length1,385 ft (422.2 m)
Longest span51 ft (15.5 m)
Deck width32 ft (9.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2019)
Projected traffic80 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerArmy
Maintained byArmy
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$39,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Kinney Blvd over County RD & RR built?

It was built in 1945, making it 80 years old in 2025.

What condition is Kinney Blvd over County RD & RR 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 October 2023.

How much traffic does Kinney Blvd over County RD & RR carry?

About 20 vehicles per day (2019 count).

How long is Kinney Blvd over County RD & RR?

The structure is 1,385 ft (422.2 m) long with a longest span of 51 ft (15.5 m) and a deck 32 ft wide.

Who owns Kinney Blvd over County RD & RR?

It is owned by the Army.