US Bridges

H Street over Yerba Buena Creek

Good

San Luis Obispo County, California · 0.02 MI S/W of SH 58 · Structure no. 49C0279

Built
1948
77 years old, rebuilt 1971
Condition
Good
inspected August 2022
Type
Slab
Concrete
Length
30 ft
1 main span
Daily traffic
100
2010 count
Owner
County
County Highway Agency

About this bridge

H Street over Yerba Buena Creek is a concrete slab carrying H Street over Yerba Buena Creek in San Luis Obispo County, California. It was built in 1948 and reconstructed in 1971, so it is 77 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 100 vehicles a day, roughly 5% of them trucks, projected to reach 200 by 2040. The structure is 30 ft (9.1 m) long and 29 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesH Street
CrossesYerba Buena Creek
Location0.02 MI S/W of SH 58
RouteCounty Highway 0
Coordinates35.39213, -120.60418
Functional classUrban 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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2022
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.6 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span22 ft (6.7 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2010)
Projected traffic200 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 H Street over Yerba Buena Creek built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 1971.

What condition is H Street over Yerba Buena 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 August 2022.

How much traffic does H Street over Yerba Buena Creek carry?

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

How long is H Street over Yerba Buena Creek?

The structure is 30 ft (9.1 m) long with a longest span of 22 ft (6.7 m) and a deck 29 ft wide.

Who owns H Street over Yerba Buena Creek?

It is owned by the County Highway Agency.