US Bridges

Campbell RD over Portion of Nfk Sprague R

Fair

Klamath County, Oregon · 008MI West of Camp Six RD · Structure no. 35C228121000940

Built
1982
43 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
55 ft
2 main spans
Daily traffic
44
2020 count
Owner
County
County Highway Agency

About this bridge

Campbell RD over Portion of Nfk Sprague R is a wood or timber stringer/multi-beam or girder carrying Campbell RD over Portion of Nfk Sprague R in Klamath County, Oregon. It was built in 1982, so it is 43 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.

It carries about 44 vehicles a day, projected to reach 48 by 2025. The structure is 55 ft (16.8 m) long and 32 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

Location

Open in Google Maps
CarriesCampbell RD
CrossesPortion of Nfk Sprague R
Location008MI West of Camp Six RD
RouteCounty Highway C1210
CountyKlamath County
StateOregon
Coordinates42.45614, -121.11263
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.7 US tons
Inventory rating22.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadHS 20
Structure length55 ft (16.8 m)
Longest span28 ft (8.5 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic44 (2020)
Projected traffic48 by 2025
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 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 Portion of Nfk Sprague R built?

It was built in 1982, making it 43 years old in 2025.

What condition is Campbell RD over Portion of Nfk Sprague R 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 Portion of Nfk Sprague R carry?

About 44 vehicles per day (2020 count).

How long is Campbell RD over Portion of Nfk Sprague R?

The structure is 55 ft (16.8 m) long with a longest span of 28 ft (8.5 m) and a deck 32 ft wide.

Who owns Campbell RD over Portion of Nfk Sprague R?

It is owned by the County Highway Agency.