US Bridges

Township Road over Ady Canal

Good

Klamath County, Oregon · 015 MI E of HWY 97 · Structure no. 18728 060700150

Built
1999
26 years old
Condition
Good
inspected February 2023
Type
Slab
Prestressed Concrete
Length
73 ft
1 main span
Daily traffic
315
2020 count
Owner
County
County Highway Agency

About this bridge

Township Road over Ady Canal is a prestressed concrete slab carrying Township Road over Ady Canal in Klamath County, Oregon. It was built in 1999, so it is 26 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 315 vehicles a day, roughly 10% of them trucks, projected to reach 365 by 2025. The structure is 73 ft (22.3 m) long and 32 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesTownship Road
CrossesAdy Canal
Location015 MI E of HWY 97
RouteCounty Highway C0607
StateOregon
Coordinates42.03869, -121.8439
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating38.6 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length73 ft (22.3 m)
Longest span70 ft (21.3 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic315 (2020)
Projected traffic365 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 Township Road over Ady Canal built?

It was built in 1999, making it 26 years old in 2025.

What condition is Township Road over Ady 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 Township Road over Ady Canal carry?

About 315 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Township Road over Ady Canal?

The structure is 73 ft (22.3 m) long with a longest span of 70 ft (21.3 m) and a deck 32 ft wide.

Who owns Township Road over Ady Canal?

It is owned by the County Highway Agency.