US Bridges

State Route 96 over Aikens Creek

Good

Humboldt County, California · 01-HUM-096-28.07 · Structure no. 04 0059

Built
1960
65 years old
Condition
Good
inspected September 2024
Type
Tee Beam
Concrete Continuous
Length
140 ft
3 main spans
Daily traffic
560
1997 count
Owner
State
State Highway Agency

About this bridge

State Route 96 over Aikens Creek is a concrete continuous tee beam carrying State Route 96 over Aikens Creek in Humboldt 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 560 vehicles a day, roughly 24% of them trucks, projected to reach 887 by 2046. The structure is 140 ft (42.8 m) long and 30 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesState Route 96
CrossesAikens Creek
Location01-HUM-096-28.07
RouteState Highway 96
Coordinates41.22903, -123.65929
Functional classRural Minor 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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.5 US tons
Inventory rating30.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length140 ft (42.8 m)
Longest span90 ft (27.5 m)
Deck width30 ft (9 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic560 (1997)
Projected traffic887 by 2046
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was State Route 96 over Aikens Creek built?

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

What condition is State Route 96 over Aikens 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 96 over Aikens Creek carry?

About 560 vehicles per day (1997 count), of which roughly 24% are trucks.

How long is State Route 96 over Aikens Creek?

The structure is 140 ft (42.8 m) long with a longest span of 90 ft (27.5 m) and a deck 30 ft wide.

Who owns State Route 96 over Aikens Creek?

It is owned by the State Highway Agency.