US Bridges

East Tefft Street over East Branch Nipomo Creek

Good

San Luis Obispo County, California · At Avocado Avenue · Structure no. 49C0461

Built
2009
16 years old
Condition
Good
inspected September 2022
Type
Arch - Deck
Concrete
Length
25 ft
1 main span
Daily traffic
1,000
2012 count
Owner
County
County Highway Agency

About this bridge

East Tefft Street over East Branch Nipomo Creek is a concrete arch - deck carrying East Tefft Street over East Branch Nipomo Creek in San Luis Obispo County, California. It was built in 2009, so it is 16 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 1,000 vehicles a day, roughly 1% of them trucks, projected to reach 1,249 by 2044. The structure is 25 ft (7.6 m) long and 45 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesEast Tefft Street
CrossesEast Branch Nipomo Creek
LocationAt Avocado Avenue
RouteCounty Highway 0
Coordinates35.04387, -120.47468
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
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span25 ft (7.5 m)
Deck width45 ft (13.7 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2012)
Projected traffic1,249 by 2044
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was East Tefft Street over East Branch Nipomo Creek built?

It was built in 2009, making it 16 years old in 2025.

What condition is East Tefft Street over East Branch Nipomo 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 September 2022.

How much traffic does East Tefft Street over East Branch Nipomo Creek carry?

About 1,000 vehicles per day (2012 count), of which roughly 1% are trucks.

How long is East Tefft Street over East Branch Nipomo Creek?

The structure is 25 ft (7.6 m) long with a longest span of 25 ft (7.5 m) and a deck 45 ft wide.

Who owns East Tefft Street over East Branch Nipomo Creek?

It is owned by the County Highway Agency.