US Bridges

Road over S. Breitenbush River

Good

Marion County, Oregon · 11.6 M E HWY 22 on Fs 46 · Structure no. 061804000001758

Built
1987
38 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
120 ft
1 main span
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

Road over S. Breitenbush River is a prestressed concrete stringer/multi-beam or girder carrying Road over S. Breitenbush River in Marion County, Oregon. It was built in 1987, so it is 38 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, projected to reach 75 by 2045. The structure is 120 ft (36.7 m) long and 17 ft wide.

CarriesRoad
CrossesS. Breitenbush River
Location11.6 M E HWY 22 on Fs 46
RouteFederal Lands Road 46852
StateOregon
Coordinates44.7506, -121.90354
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating96.1 US tons
Inventory rating68 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length120 ft (36.7 m)
Longest span119 ft (36.3 m)
Deck width17 ft (5.1 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (—)
Projected traffic75 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 S. Breitenbush River built?

It was built in 1987, making it 38 years old in 2025.

What condition is Road over S. Breitenbush River 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 July 2023.

How much traffic does Road over S. Breitenbush River carry?

About 50 vehicles per day (latest count).

How long is Road over S. Breitenbush River?

The structure is 120 ft (36.7 m) long with a longest span of 119 ft (36.3 m) and a deck 17 ft wide.

Who owns Road over S. Breitenbush River?

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