US Bridges

U.S. Highway 101 over Patricks Point DR

Fair

Humboldt County, California · 01-HUM-101-R106.07 · Structure no. 04 0210

Built
1970
55 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
93 ft
1 main span
Daily traffic
4,200
2009 count
Owner
State
State Highway Agency

About this bridge

U.S. Highway 101 over Patricks Point DR is a prestressed concrete box beam or girders - multiple carrying U.S. Highway 101 over Patricks Point DR in Humboldt County, California. It was built in 1970, so it is 55 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 4,200 vehicles a day, projected to reach 6,244 by 2042. The structure is 93 ft (28.3 m) long and 88 ft wide.

CarriesU.S. Highway 101
CrossesPatricks Point DR
Location01-HUM-101-R106.07
RouteU.S. Route 101
Coordinates41.13603, -124.14669
Functional classRural Principal Arterial - Other

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating42.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length93 ft (28.3 m)
Longest span93 ft (28.3 m)
Deck width88 ft (26.9 m)
Roadway width86 ft (26.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,200 (2009)
Projected traffic6,244 by 2042
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was U.S. Highway 101 over Patricks Point DR built?

It was built in 1970, making it 55 years old in 2025.

What condition is U.S. Highway 101 over Patricks Point DR 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 July 2024.

How much traffic does U.S. Highway 101 over Patricks Point DR carry?

About 4,200 vehicles per day (2009 count).

How long is U.S. Highway 101 over Patricks Point DR?

The structure is 93 ft (28.3 m) long with a longest span of 93 ft (28.3 m) and a deck 88 ft wide.

Who owns U.S. Highway 101 over Patricks Point DR?

It is owned by the State Highway Agency.