US Bridges

Lake View Road over Klamath River

PoorPosted for load

Siskiyou County, California · South of Copco Road · Structure no. 02C0255

Built
1960
65 years old
Condition
Poor
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
227 ft
9 main spans
Daily traffic
226
2011 count
Owner
Private
Private (other than railroad)

About this bridge

Lake View Road over Klamath River is a steel stringer/multi-beam or girder carrying Lake View Road over Klamath River in Siskiyou 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 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. Its operating status is: posted for load restriction.

It carries about 226 vehicles a day, roughly 5% of them trucks, projected to reach 310 by 2046. The structure is 227 ft (69.2 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesLake View Road
CrossesKlamath River
LocationSouth of Copco Road
RouteCounty Highway 0
Coordinates41.93103, -122.44125
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating27.1 US tons
Inventory rating16.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans9
Design loadUnknown
Structure length227 ft (69.2 m)
Longest span25 ft (7.6 m)
Deck width16 ft (5 m)
Roadway width14 ft (4.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic226 (2011)
Projected traffic310 by 2046
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerPrivate (other than railroad)
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.3 million (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lake View Road over Klamath River built?

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

What condition is Lake View Road over Klamath River 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 Lake View Road over Klamath River carry?

About 226 vehicles per day (2011 count), of which roughly 5% are trucks.

How long is Lake View Road over Klamath River?

The structure is 227 ft (69.2 m) long with a longest span of 25 ft (7.6 m) and a deck 16 ft wide.

Who owns Lake View Road over Klamath River?

It is owned by the Private (other than railroad) and maintained by the County Highway Agency.