US Bridges

Independence Road over Independence Creek

PoorClosed to traffic

Siskiyou County, California · Clear Creek · Structure no. 050552000001023

Built
1970
55 years old
Condition
Poor
inspected June 2021
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
63 ft
1 main span
Daily traffic
20
Owner
Federal
U.S. Forest Service

About this bridge

Independence Road over Independence Creek is a wood or timber stringer/multi-beam or girder carrying Independence Road over Independence Creek in Siskiyou 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 poor condition with a lowest component rating of 2 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: closed to all traffic.

It carries about 20 vehicles a day, projected to reach 30 by 2045. The structure is 63 ft (19.3 m) long and 16 ft wide.

CarriesIndependence Road
CrossesIndependence Creek
LocationClear Creek
RouteFederal Lands Road 15N17
Coordinates41.61435, -123.40287
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2021
Inspection intervalevery 12 months
Operating statusClosed to all traffic
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating100.1 US tons
Inventory rating100.1 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length63 ft (19.3 m)
Longest span58 ft (17.7 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (—)
Projected traffic30 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Independence Road over Independence Creek built?

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

What condition is Independence Road over Independence Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2021.

How much traffic does Independence Road over Independence Creek carry?

About 20 vehicles per day (latest count).

How long is Independence Road over Independence Creek?

The structure is 63 ft (19.3 m) long with a longest span of 58 ft (17.7 m) and a deck 16 ft wide.

Who owns Independence Road over Independence Creek?

It is owned by the U.S. Forest Service.