US Bridges

Painter ST over US Highway 101

Fair

Humboldt County, California · 01-HUM-101-R52.89-RDEL · Structure no. 04 0236

Built
1976
49 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
265 ft
2 main spans
Daily traffic
890
2002 count
Owner
State
State Highway Agency

About this bridge

Painter ST over US Highway 101 is a prestressed concrete continuous box beam or girders - multiple carrying Painter ST over US Highway 101 in Humboldt County, California. It was built in 1976, so it is 49 years old, younger 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 5 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 890 vehicles a day, roughly 10% of them trucks, projected to reach 1,091 by 2041. The structure is 265 ft (80.8 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesPainter ST
CrossesUS Highway 101
Location01-HUM-101-R52.89-RDEL
RouteCity Street 0
Coordinates40.50303, -124.10136
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.7 US tons
Inventory rating40.3 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length265 ft (80.8 m)
Longest span145 ft (44.2 m)
Deck width52 ft (15.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic890 (2002)
Projected traffic1,091 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 Painter ST over US Highway 101 built?

It was built in 1976, making it 49 years old in 2025.

What condition is Painter ST over US Highway 101 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 2023.

How much traffic does Painter ST over US Highway 101 carry?

About 890 vehicles per day (2002 count), of which roughly 10% are trucks.

How long is Painter ST over US Highway 101?

The structure is 265 ft (80.8 m) long with a longest span of 145 ft (44.2 m) and a deck 52 ft wide.

Who owns Painter ST over US Highway 101?

It is owned by the State Highway Agency.