US Bridges

Campbell RD over Ditch

FairPosted for load

Klamath County, Oregon · 016 MI N of HWY 140 · Structure no. 35C117121000160

Built
1981
44 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
32 ft
1 main span
Daily traffic
72
2020 count
Owner
County
County Highway Agency

About this bridge

Campbell RD over Ditch is a wood or timber stringer/multi-beam or girder carrying Campbell RD over Ditch in Klamath County, Oregon. It was built in 1981, so it is 44 years old, younger 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 72 vehicles a day, projected to reach 77 by 2025. The structure is 32 ft (9.8 m) long and 32 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesCampbell RD
CrossesDitch
Location016 MI N of HWY 140
RouteCounty Highway C1210
StateOregon
Coordinates42.41144, -121.01735
Functional classRural Minor 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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating21.4 US tons
Inventory rating16.4 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span32 ft (9.8 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic72 (2020)
Projected traffic77 by 2025
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 Campbell RD over Ditch built?

It was built in 1981, making it 44 years old in 2025.

What condition is Campbell RD over Ditch 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 July 2024.

How much traffic does Campbell RD over Ditch carry?

About 72 vehicles per day (2020 count).

How long is Campbell RD over Ditch?

The structure is 32 ft (9.8 m) long with a longest span of 32 ft (9.8 m) and a deck 32 ft wide.

Who owns Campbell RD over Ditch?

It is owned by the County Highway Agency.