US Bridges

Reeder RD over Irrigation Canal

Fair

Klamath County, Oregon · 0165 MI from HWY 140 · Structure no. 35C179098100165

Built
1975
50 years old
Condition
Fair
inspected February 2023
Type
Slab
Prestressed Concrete
Length
39 ft
1 main span
Daily traffic
359
2020 count
Owner
County
County Highway Agency

About this bridge

Reeder RD over Irrigation Canal is a prestressed concrete slab carrying Reeder RD over Irrigation Canal in Klamath County, Oregon. It was built in 1975, so it is 50 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 359 vehicles a day, roughly 10% of them trucks, projected to reach 379 by 2025. The structure is 39 ft (11.9 m) long and 32 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesReeder RD
CrossesIrrigation Canal
Location0165 MI from HWY 140
RouteCounty Highway C0981
StateOregon
Coordinates42.17004, -121.67504
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.7 US tons
Inventory rating30.8 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span37 ft (11.3 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic359 (2020)
Projected traffic379 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 Reeder RD over Irrigation Canal built?

It was built in 1975, making it 50 years old in 2025.

What condition is Reeder RD over Irrigation 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 Reeder RD over Irrigation Canal carry?

About 359 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Reeder RD over Irrigation Canal?

The structure is 39 ft (11.9 m) long with a longest span of 37 ft (11.3 m) and a deck 32 ft wide.

Who owns Reeder RD over Irrigation Canal?

It is owned by the County Highway Agency.