US Bridges

Main ST over A Canal

Good

Klamath County, Oregon · 00.6 MI E of Esplanade · Structure no. 09461 000 00055

Built
1970
55 years old
Condition
Good
inspected February 2023
Type
Slab
Concrete Continuous
Length
128 ft
3 main spans
Daily traffic
8,171
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Main ST over A Canal is a concrete continuous slab carrying Main ST over A Canal in Klamath County, Oregon. It was built in 1970, so it is 55 years old, older 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 8,171 vehicles a day, roughly 10% of them trucks, projected to reach 12,055 by 2025. The structure is 128 ft (39 m) long and 76 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMain ST
CrossesA Canal
Location00.6 MI E of Esplanade
RouteCity Street 2322
StateOregon
Coordinates42.2284, -121.76665
Functional classUrban Collector

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
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than 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 rating57.9 US tons
Inventory rating44.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length128 ft (39 m)
Longest span48 ft (14.6 m)
Deck width76 ft (23.2 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,171 (2020)
Projected traffic12,055 by 2025
Trucks10%
Lanes on structure4
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Main ST over A Canal built?

It was built in 1970, making it 55 years old in 2025.

What condition is Main ST 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 Main ST over A Canal carry?

About 8,171 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Main ST over A Canal?

The structure is 128 ft (39 m) long with a longest span of 48 ft (14.6 m) and a deck 76 ft wide.

Who owns Main ST over A Canal?

It is owned by the City or Municipal Highway Agency.