US Bridges

Creston RD over Huer Huero Creek

Good

San Luis Obispo County, California · 0.1 MI S Geneseo RD · Structure no. 49C0063

Built
1960
65 years old
Condition
Good
inspected August 2022
Type
Slab
Concrete Continuous
Length
183 ft
6 main spans
Daily traffic
1,731
2010 count
Owner
County
County Highway Agency

About this bridge

Creston RD over Huer Huero Creek is a concrete continuous slab carrying Creston RD over Huer Huero Creek in San Luis Obispo County, California. It was built in 1960, so it is 65 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 1,731 vehicles a day, roughly 4% of them trucks, projected to reach 3,598 by 2044. The structure is 183 ft (55.8 m) long and 31 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesCreston RD
CrossesHuer Huero Creek
Location0.1 MI S Geneseo RD
RouteCounty Highway 0
Coordinates35.57071, -120.54466
Functional classRural Major Collector

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 within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating63.6 US tons
Inventory rating38.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadH 20
Structure length183 ft (55.8 m)
Longest span30 ft (9.1 m)
Deck width31 ft (9.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,731 (2010)
Projected traffic3,598 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Creston RD over Huer Huero Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Creston RD over Huer Huero 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 Creston RD over Huer Huero Creek carry?

About 1,731 vehicles per day (2010 count), of which roughly 4% are trucks.

How long is Creston RD over Huer Huero Creek?

The structure is 183 ft (55.8 m) long with a longest span of 30 ft (9.1 m) and a deck 31 ft wide.

Who owns Creston RD over Huer Huero Creek?

It is owned by the County Highway Agency.