US Bridges

N101-E46 Connector over Salinas River

Good

San Luis Obispo County, California · 05-SLO-101-57.85-PSRS · Structure no. 49 0228G

Built
1992
33 years old
Condition
Good
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
303 ft
4 main spans
Daily traffic
7,000
2009 count
Owner
State
State Highway Agency

About this bridge

N101-E46 Connector over Salinas River is a prestressed concrete continuous box beam or girders - multiple carrying N101-E46 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 7,000 vehicles a day, roughly 2% of them trucks, projected to reach 10,724 by 2041. The structure is 303 ft (92.4 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesN101-E46 Connector
CrossesSalinas River
Location05-SLO-101-57.85-PSRS
RouteU.S. Route 101
Coordinates35.64191, -120.68422
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 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 alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length303 ft (92.4 m)
Longest span96 ft (29.3 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,000 (2009)
Projected traffic10,724 by 2041
Trucks2%
Lanes on structure2
Traffic directionOne-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 N101-E46 Connector over Salinas River built?

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

What condition is N101-E46 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 November 2023.

How much traffic does N101-E46 Connector over Salinas River carry?

About 7,000 vehicles per day (2009 count), of which roughly 2% are trucks.

How long is N101-E46 Connector over Salinas River?

The structure is 303 ft (92.4 m) long with a longest span of 96 ft (29.3 m) and a deck 39 ft wide.

Who owns N101-E46 Connector over Salinas River?

It is owned by the State Highway Agency.