US Bridges

W46-N101 Connector over Salinas River

Good

San Luis Obispo County, California · 05-SLO-046-29.81-PSRS · Structure no. 49 0227F

Built
1992
33 years old
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
183 ft
2 main spans
Daily traffic
6,840
2019 count
Owner
State
State Highway Agency

About this bridge

W46-N101 Connector over Salinas River is a prestressed concrete continuous box beam or girders - multiple carrying W46-N101 Connector over Salinas River in San Luis Obispo County, California. It was built in 1992, so it is 33 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 6,840 vehicles a day, roughly 2% of them trucks, projected to reach 8,037 by 2042. The structure is 183 ft (55.8 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesW46-N101 Connector
CrossesSalinas River
Location05-SLO-046-29.81-PSRS
RouteState Highway 46
Coordinates35.64329, -120.68487
Functional classRural Principal Arterial - Other

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length183 ft (55.8 m)
Longest span91 ft (27.7 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,840 (2019)
Projected traffic8,037 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 W46-N101 Connector over Salinas River built?

It was built in 1992, making it 33 years old in 2025.

What condition is W46-N101 Connector over Salinas River 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 September 2024.

How much traffic does W46-N101 Connector over Salinas River carry?

About 6,840 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is W46-N101 Connector over Salinas River?

The structure is 183 ft (55.8 m) long with a longest span of 91 ft (27.7 m) and a deck 39 ft wide.

Who owns W46-N101 Connector over Salinas River?

It is owned by the State Highway Agency.