US Bridges

Reservoir Canyn RD over San Luis Obispo Creek

Good

San Luis Obispo County, California · 0.1 Miles S. of US 101 · Structure no. 49C0421

Built
1998
27 years old
Condition
Good
inspected April 2024
Type
Tee Beam
Concrete
Length
63 ft
1 main span
Daily traffic
100
2010 count
Owner
County
County Highway Agency

About this bridge

Reservoir Canyn RD over San Luis Obispo Creek is a concrete tee beam carrying Reservoir Canyn RD over San Luis Obispo Creek in San Luis Obispo County, California. It was built in 1998, so it is 27 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 100 vehicles a day, roughly 5% of them trucks, projected to reach 367 by 2046. The structure is 63 ft (19.1 m) long and 25 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesReservoir Canyn RD
CrossesSan Luis Obispo Creek
Location0.1 Miles S. of US 101
RouteCounty Highway 0
Coordinates35.29458, -120.62977
Functional classRural Local

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 inspectionApril 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length63 ft (19.1 m)
Longest span60 ft (18.3 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2010)
Projected traffic367 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed24.9 mi (40 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 Reservoir Canyn RD over San Luis Obispo Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is Reservoir Canyn RD over San Luis Obispo Creek 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 April 2024.

How much traffic does Reservoir Canyn RD over San Luis Obispo Creek carry?

About 100 vehicles per day (2010 count), of which roughly 5% are trucks.

How long is Reservoir Canyn RD over San Luis Obispo Creek?

The structure is 63 ft (19.1 m) long with a longest span of 60 ft (18.3 m) and a deck 25 ft wide.

Who owns Reservoir Canyn RD over San Luis Obispo Creek?

It is owned by the County Highway Agency.