US Bridges

Shasta Way over A Canal

Good

Klamath County, Oregon · 40 Ft W of Alameda Byp · Structure no. 35C184087000090

Built
1979
46 years old
Condition
Good
inspected February 2023
Type
Slab
Prestressed Concrete
Length
87 ft
3 main spans
Daily traffic
16,068
2020 count
Owner
County
County Highway Agency

About this bridge

Shasta Way over A Canal is a prestressed concrete slab carrying Shasta Way over A Canal in Klamath County, Oregon. It was built in 1979, so it is 46 years old, younger than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 16,068 vehicles a day, roughly 20% of them trucks, projected to reach 24,109 by 2025. The structure is 87 ft (26.5 m) long and 55 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesShasta Way
CrossesA Canal
Location40 Ft W of Alameda Byp
RouteCounty Highway C0870
StateOregon
Coordinates42.21385, -121.74526
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.5 US tons
Inventory rating28.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length87 ft (26.5 m)
Longest span29 ft (8.8 m)
Deck width55 ft (16.9 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,068 (2020)
Projected traffic24,109 by 2025
Trucks20%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Shasta Way over A Canal built?

It was built in 1979, making it 46 years old in 2025.

What condition is Shasta Way over A Canal in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2023.

How much traffic does Shasta Way over A Canal carry?

About 16,068 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is Shasta Way over A Canal?

The structure is 87 ft (26.5 m) long with a longest span of 29 ft (8.8 m) and a deck 55 ft wide.

Who owns Shasta Way over A Canal?

It is owned by the County Highway Agency.