US Bridges

Road over Soda Fork

Good

Linn County, Oregon · .8 NE JCT 20-FS 2041 · Structure no. 061803000001487

Built
2000
25 years old
Condition
Good
inspected November 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
94 ft
1 main span
Daily traffic
10
2006 count
Owner
Federal
U.S. Forest Service

About this bridge

Road over Soda Fork is a prestressed concrete stringer/multi-beam or girder carrying Road over Soda Fork in Linn County, Oregon. It was built in 2000, so it is 25 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 10 vehicles a day, projected to reach 15 by 2045. The structure is 94 ft (28.7 m) long and 16 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

CarriesRoad
CrossesSoda Fork
Location.8 NE JCT 20-FS 2041
RouteFederal Lands Road 20430
StateOregon
Coordinates44.41291, -122.26867
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.1 US tons
Inventory rating43 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length94 ft (28.7 m)
Longest span92 ft (28 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2006)
Projected traffic15 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed620.7 mi (999 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 Soda Fork built?

It was built in 2000, making it 25 years old in 2025.

What condition is Road over Soda Fork 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 2021.

How much traffic does Road over Soda Fork carry?

About 10 vehicles per day (2006 count).

How long is Road over Soda Fork?

The structure is 94 ft (28.7 m) long with a longest span of 92 ft (28 m) and a deck 16 ft wide.

Who owns Road over Soda Fork?

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