US Bridges

Burton RD over Santa Rosa Creek

Fair

San Luis Obispo County, California · 0.15 MI S Main ST Cambri · Structure no. 49C0097

Built
1968
57 years old
Condition
Fair
inspected April 2024
Type
Tee Beam
Concrete
Length
121 ft
3 main spans
Daily traffic
4,125
2010 count
Owner
County
County Highway Agency

About this bridge

Burton RD over Santa Rosa Creek is a concrete tee beam carrying Burton RD over Santa Rosa Creek in San Luis Obispo County, California. It was built in 1968, so it is 57 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 4,125 vehicles a day, roughly 5% of them trucks, projected to reach 10,301 by 2046. The structure is 121 ft (36.9 m) long and 35 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesBurton RD
CrossesSanta Rosa Creek
Location0.15 MI S Main ST Cambri
RouteCounty Highway 0
Coordinates35.56169, -121.08183
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating32.2 US tons
Inventory rating19.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length121 ft (36.9 m)
Longest span48 ft (14.5 m)
Deck width35 ft (10.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,125 (2010)
Projected traffic10,301 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 Burton RD over Santa Rosa Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is Burton RD over Santa Rosa Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.

How much traffic does Burton RD over Santa Rosa Creek carry?

About 4,125 vehicles per day (2010 count), of which roughly 5% are trucks.

How long is Burton RD over Santa Rosa Creek?

The structure is 121 ft (36.9 m) long with a longest span of 48 ft (14.5 m) and a deck 35 ft wide.

Who owns Burton RD over Santa Rosa Creek?

It is owned by the County Highway Agency.