US Bridges

Road over 12 Ft. Wood Pipeline

Good

Douglas County, Oregon · No Data Entered · Structure no. 061503000001456

Built
1981
44 years old
Condition
Good
inspected November 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
85 ft
1 main span
Daily traffic
100
2006 count
Owner
Federal
U.S. Forest Service

About this bridge

Road over 12 Ft. Wood Pipeline is a prestressed concrete stringer/multi-beam or girder carrying Road over 12 Ft. Wood Pipeline in Douglas 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 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 150 by 2045. The structure is 85 ft (25.9 m) long and 30 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesRoad
Crosses12 Ft. Wood Pipeline
LocationNo Data Entered
RouteFederal Lands Road 34000
StateOregon
Coordinates43.0643, -122.4253
Functional classRural Local

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.
Substructure8 Very GoodNo problems noted.
Last inspectionNovember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating87.1 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length85 ft (25.9 m)
Longest span82 ft (25 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2006)
Projected traffic150 by 2045
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Road over 12 Ft. Wood Pipeline built?

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

What condition is Road over 12 Ft. Wood Pipeline 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 November 2022.

How much traffic does Road over 12 Ft. Wood Pipeline carry?

About 100 vehicles per day (2006 count), of which roughly 10% are trucks.

How long is Road over 12 Ft. Wood Pipeline?

The structure is 85 ft (25.9 m) long with a longest span of 82 ft (25 m) and a deck 30 ft wide.

Who owns Road over 12 Ft. Wood Pipeline?

It is owned by the U.S. Forest Service.