US Bridges

E4-N160 Connector over UP RR

Fair

Contra Costa County, California · 04-CC-160-0.43 · Structure no. 28 0074G

Built
1971
54 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
253 ft
3 main spans
Daily traffic
11,950
2018 count
Owner
State
State Highway Agency

About this bridge

E4-N160 Connector over UP RR is a concrete continuous box beam or girders - multiple carrying E4-N160 Connector over UP RR in Contra Costa County, California. It was built in 1971, so it is 54 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 11,950 vehicles a day, roughly 8% of them trucks, projected to reach 27,750 by 2042. The structure is 253 ft (77.1 m) long and 44 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesE4-N160 Connector
CrossesUP RR
Location04-CC-160-0.43
RouteState Highway 160
CountyContra Costa County
StateCalifornia
Coordinates37.99212, -121.75686
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.3 US tons
Inventory rating35.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length253 ft (77.1 m)
Longest span91 ft (27.7 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,950 (2018)
Projected traffic27,750 by 2042
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad and waterway
Detour if closed1.9 mi (3 km)
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was E4-N160 Connector over UP RR built?

It was built in 1971, making it 54 years old in 2025.

What condition is E4-N160 Connector over UP 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 July 2024.

How much traffic does E4-N160 Connector over UP RR carry?

About 11,950 vehicles per day (2018 count), of which roughly 8% are trucks.

How long is E4-N160 Connector over UP RR?

The structure is 253 ft (77.1 m) long with a longest span of 91 ft (27.7 m) and a deck 44 ft wide.

Who owns E4-N160 Connector over UP RR?

It is owned by the State Highway Agency.