US Bridges

Main ST over North Fork Templeton Crk

Good

San Luis Obispo County, California · 0.3 MI South Ramada DR · Structure no. 49C0403

Built
1929
96 years old, rebuilt 2016
Condition
Good
inspected June 2024
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
6,836
2020 count
Owner
County
County Highway Agency

About this bridge

Main ST over North Fork Templeton Crk is a concrete continuous culvert carrying Main ST over North Fork Templeton Crk in San Luis Obispo County, California. It was built in 1929 and reconstructed in 2016, so it is 96 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 6,836 vehicles a day, roughly 3% of them trucks, projected to reach 9,243 by 2044. The structure is 22 ft (6.8 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMain ST
CrossesNorth Fork Templeton Crk
Location0.3 MI South Ramada DR
RouteCounty Highway 0
Coordinates35.56201, -120.70047
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30 US tons
Inventory rating17.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length22 ft (6.8 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,836 (2020)
Projected traffic9,243 by 2044
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Main ST over North Fork Templeton Crk built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 2016.

What condition is Main ST over North Fork Templeton Crk 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 June 2024.

How much traffic does Main ST over North Fork Templeton Crk carry?

About 6,836 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is Main ST over North Fork Templeton Crk?

The structure is 22 ft (6.8 m) long with a longest span of 11 ft (3.4 m).

Who owns Main ST over North Fork Templeton Crk?

It is owned by the County Highway Agency.