US Bridges

State Route 3 over Little Creek

Good

Trinity County, California · 02-TRI-003-25.55 · Structure no. 05 0036

Built
1955
70 years old
Condition
Good
inspected August 2024
Type
Slab
Concrete
Length
34 ft
1 main span
Daily traffic
1,450
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 3 over Little Creek is a concrete slab carrying State Route 3 over Little Creek in Trinity County, California. It was built in 1955, so it is 70 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 1,450 vehicles a day, roughly 10% of them trucks, projected to reach 3,753 by 2046. The structure is 34 ft (10.4 m) long and 31 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesState Route 3
CrossesLittle Creek
Location02-TRI-003-25.55
RouteState Highway 3
Coordinates40.62003, -122.9661
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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating27.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span32 ft (9.7 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,450 (2009)
Projected traffic3,753 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 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 3 over Little Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is State Route 3 over Little 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 2024.

How much traffic does State Route 3 over Little Creek carry?

About 1,450 vehicles per day (2009 count), of which roughly 10% are trucks.

How long is State Route 3 over Little Creek?

The structure is 34 ft (10.4 m) long with a longest span of 32 ft (9.7 m) and a deck 31 ft wide.

Who owns State Route 3 over Little Creek?

It is owned by the State Highway Agency.