US Bridges

State Route 46 EB over Huer Huero Creek

Good

San Luis Obispo County, California · 05-SLO-046-31.97 · Structure no. 49 0034R

Built
1992
33 years old
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
334 ft
3 main spans
Daily traffic
8,050
2019 count
Owner
State
State Highway Agency

About this bridge

State Route 46 EB over Huer Huero Creek is a prestressed concrete continuous box beam or girders - multiple carrying State Route 46 EB over Huer Huero Creek in San Luis Obispo County, California. It was built in 1992, so it is 33 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 8,050 vehicles a day, roughly 11% of them trucks, projected to reach 16,983 by 2042. The structure is 334 ft (101.9 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesState Route 46 EB
CrossesHuer Huero Creek
Location05-SLO-046-31.97
RouteState Highway 46
Coordinates35.6444, -120.64645
Functional classUrban Other Principal Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length334 ft (101.9 m)
Longest span132 ft (40.2 m)
Deck width54 ft (16.6 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,050 (2019)
Projected traffic16,983 by 2042
Trucks11%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 State Route 46 EB over Huer Huero Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is State Route 46 EB 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 September 2024.

How much traffic does State Route 46 EB over Huer Huero Creek carry?

About 8,050 vehicles per day (2019 count), of which roughly 11% are trucks.

How long is State Route 46 EB over Huer Huero Creek?

The structure is 334 ft (101.9 m) long with a longest span of 132 ft (40.2 m) and a deck 54 ft wide.

Who owns State Route 46 EB over Huer Huero Creek?

It is owned by the State Highway Agency.