US Bridges

Road over Mid Fk Applegate

Poor

Siskiyou County, California · No Data Entered · Structure no. 061001000001015

Built
1963
62 years old, rebuilt 2000
Condition
Poor
inspected August 2024
Type
Frame
Concrete Continuous
Length
95 ft
3 main spans
Daily traffic
10
2006 count
Owner
Federal
U.S. Forest Service

About this bridge

Road over Mid Fk Applegate is a concrete continuous frame carrying Road over Mid Fk Applegate in Siskiyou County, California. It was built in 1963 and reconstructed in 2000, so it is 62 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 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 10 vehicles a day, projected to reach 15 by 2045. The structure is 95 ft (29 m) long and 17 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

Location

Open in Google Maps
CarriesRoad
CrossesMid Fk Applegate
LocationNo Data Entered
RouteFederal Lands Road 10400
CountySiskiyou County
StateCalifornia
Coordinates41.97222, -123.20472
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating40 US tons
Inventory rating27 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length95 ft (29 m)
Longest span60 ft (18.3 m)
Deck width17 ft (5.2 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2006)
Projected traffic15 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.8 mi (56 km)
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 Road over Mid Fk Applegate built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2000.

What condition is Road over Mid Fk Applegate 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 August 2024.

How much traffic does Road over Mid Fk Applegate carry?

About 10 vehicles per day (2006 count).

How long is Road over Mid Fk Applegate?

The structure is 95 ft (29 m) long with a longest span of 60 ft (18.3 m) and a deck 17 ft wide.

Who owns Road over Mid Fk Applegate?

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