US Bridges

W4-N160 Connector over UPRR Tracks

Good

Contra Costa County, California · 04-CC-160-L0.43R-ANT · Structure no. 28 0414F

Built
2016
9 years old
Condition
Good
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
356 ft
3 main spans
Daily traffic
11,400
2018 count
Owner
State
State Highway Agency

About this bridge

W4-N160 Connector over UPRR Tracks is a prestressed concrete continuous box beam or girders - multiple carrying W4-N160 Connector over UPRR Tracks in Contra Costa County, California. It was built in 2016, so it is 9 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 11,400 vehicles a day, roughly 14% of them trucks, projected to reach 17,200 by 2042. The structure is 356 ft (108.5 m) long and 53 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesW4-N160 Connector
CrossesUPRR Tracks
Location04-CC-160-L0.43R-ANT
RouteState Highway 160
CountyContra Costa County
StateCalifornia
Coordinates37.99158, -121.75611
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length356 ft (108.5 m)
Longest span168 ft (51.2 m)
Deck width53 ft (16.2 m)
Roadway width50 ft (15.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,400 (2018)
Projected traffic17,200 by 2042
Trucks14%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed5 mi (8 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 W4-N160 Connector over UPRR Tracks built?

It was built in 2016, making it 9 years old in 2025.

What condition is W4-N160 Connector over UPRR Tracks in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does W4-N160 Connector over UPRR Tracks carry?

About 11,400 vehicles per day (2018 count), of which roughly 14% are trucks.

How long is W4-N160 Connector over UPRR Tracks?

The structure is 356 ft (108.5 m) long with a longest span of 168 ft (51.2 m) and a deck 53 ft wide.

Who owns W4-N160 Connector over UPRR Tracks?

It is owned by the State Highway Agency.