US Bridges

Sorbin Ave over North Santiam River

Fair

Marion County, Oregon · South Edge Gates · Structure no. 02523A968 00000

Built
1994
31 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
332 ft
3 main spans
Daily traffic
1,438
2020 count
Owner
County
County Highway Agency

About this bridge

Sorbin Ave over North Santiam River is a prestressed concrete stringer/multi-beam or girder carrying Sorbin Ave over North Santiam River in Marion County, Oregon. It was built in 1994, so it is 31 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 1,438 vehicles a day, roughly 1% of them trucks, projected to reach 1,618 by 2025. The structure is 332 ft (101.2 m) long and 43 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesSorbin Ave
CrossesNorth Santiam River
LocationSouth Edge Gates
RouteCounty Highway A0487
CountyMarion County
StateOregon
Coordinates44.75248, -122.41119
Functional classRural Major 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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating21.1 US tons
Inventory rating16.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length332 ft (101.2 m)
Longest span175 ft (53.3 m)
Deck width43 ft (13 m)
Roadway width34 ft (10.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,438 (2020)
Projected traffic1,618 by 2025
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed8.1 mi (13 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 Sorbin Ave over North Santiam River built?

It was built in 1994, making it 31 years old in 2025.

What condition is Sorbin Ave over North Santiam River 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 August 2024.

How much traffic does Sorbin Ave over North Santiam River carry?

About 1,438 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Sorbin Ave over North Santiam River?

The structure is 332 ft (101.2 m) long with a longest span of 175 ft (53.3 m) and a deck 43 ft wide.

Who owns Sorbin Ave over North Santiam River?

It is owned by the County Highway Agency.