US Bridges

Eleven TH Street over A Canal

FairPosted for load

Klamath County, Oregon · 0083MI North JCT HWY 20 · Structure no. 62002 000 00082

Built
1938
87 years old
Condition
Fair
inspected February 2023
Type
Tee Beam
Concrete Continuous
Length
288 ft
8 main spans
Daily traffic
6,056
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Eleven TH Street over A Canal is a concrete continuous tee beam carrying Eleven TH Street over A Canal in Klamath County, Oregon. It was built in 1938, so it is 87 years old, older than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 6,056 vehicles a day, roughly 12% of them trucks, projected to reach 6,806 by 2025. The structure is 288 ft (87.8 m) long and 49 ft wide.

CarriesEleven TH Street
CrossesA Canal
Location0083MI North JCT HWY 20
RouteCity Street 2293
StateOregon
Coordinates42.2303, -121.7824
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating32.7 US tons
Inventory rating25.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadH 15
Structure length288 ft (87.8 m)
Longest span50 ft (15.2 m)
Deck width49 ft (14.8 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,056 (2020)
Projected traffic6,806 by 2025
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Eleven TH Street over A Canal built?

It was built in 1938, making it 87 years old in 2025.

What condition is Eleven TH Street over A Canal in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2023.

How much traffic does Eleven TH Street over A Canal carry?

About 6,056 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is Eleven TH Street over A Canal?

The structure is 288 ft (87.8 m) long with a longest span of 50 ft (15.2 m) and a deck 49 ft wide.

Who owns Eleven TH Street over A Canal?

It is owned by the City or Municipal Highway Agency.