US Bridges

No Data Entered over Elk Creek

Poor

Siskiyou County, California · Elk-Thompson · Structure no. 050552000001096

Built
1971
54 years old
Condition
Poor
inspected September 2024
Type
Box Beam or Girders - Single or Spread
Concrete
Length
100 ft
1 main span
Daily traffic
30
Owner
Federal
U.S. Forest Service

About this bridge

No Data Entered over Elk Creek is a concrete box beam or girders - single or spread carrying No Data Entered over Elk Creek in Siskiyou County, California. It was built in 1971, so it is 54 years old, younger 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 4 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.

It carries about 30 vehicles a day, projected to reach 45 by 2045. The structure is 100 ft (30.5 m) long and 16 ft wide.

CarriesNo Data Entered
CrossesElk Creek
LocationElk-Thompson
RouteFederal Lands Road 15N75
Coordinates41.6912, -123.3552
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
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating27.4 US tons

Structure

MaterialConcrete
DeckOther
Main spans1
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span98 ft (29.9 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (—)
Projected traffic45 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 No Data Entered over Elk Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is No Data Entered over Elk 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 September 2024.

How much traffic does No Data Entered over Elk Creek carry?

About 30 vehicles per day (latest count).

How long is No Data Entered over Elk Creek?

The structure is 100 ft (30.5 m) long with a longest span of 98 ft (29.9 m) and a deck 16 ft wide.

Who owns No Data Entered over Elk Creek?

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