US Bridges

W178-N204 Connectr over Q Street

Good

Kern County, California · 06-KER-178-R1.97-BKD · Structure no. 50 0332F

Built
1967
58 years old
Condition
Good
inspected November 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
157 ft
3 main spans
Daily traffic
8,500
2010 count
Owner
State
State Highway Agency

About this bridge

W178-N204 Connectr over Q Street is a concrete continuous box beam or girders - multiple carrying W178-N204 Connectr over Q Street in Kern County, California. It was built in 1967, so it is 58 years old, older 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 8,500 vehicles a day, roughly 5% of them trucks, projected to reach 9,243 by 2042. The structure is 157 ft (47.9 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesW178-N204 Connectr
CrossesQ Street
Location06-KER-178-R1.97-BKD
RouteState Highway 178
Coordinates35.38277, -119.01083
Functional classUrban Other Principal Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61.4 US tons
Inventory rating47.2 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length157 ft (47.9 m)
Longest span83 ft (25.3 m)
Deck width26 ft (8 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,500 (2010)
Projected traffic9,243 by 2042
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 W178-N204 Connectr over Q Street built?

It was built in 1967, making it 58 years old in 2025.

What condition is W178-N204 Connectr over Q Street 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 November 2024.

How much traffic does W178-N204 Connectr over Q Street carry?

About 8,500 vehicles per day (2010 count), of which roughly 5% are trucks.

How long is W178-N204 Connectr over Q Street?

The structure is 157 ft (47.9 m) long with a longest span of 83 ft (25.3 m) and a deck 26 ft wide.

Who owns W178-N204 Connectr over Q Street?

It is owned by the State Highway Agency.