US Bridges

Stayton-Scio RD over N Santiam R Overflow

Good

Linn County, Oregon · 005 MI S City of Stayton · Structure no. 14069 060100028

Built
1964
61 years old
Condition
Good
inspected July 2023
Type
Slab
Prestressed Concrete
Length
103 ft
3 main spans
Daily traffic
7,725
2021 count
Owner
County
County Highway Agency

About this bridge

Stayton-Scio RD over N Santiam R Overflow is a prestressed concrete slab carrying Stayton-Scio RD over N Santiam R Overflow in Linn County, Oregon. It was built in 1964, so it is 61 years old, older 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 7,725 vehicles a day, roughly 30% of them trucks, projected to reach 10,815 by 2041. The structure is 103 ft (31.4 m) long and 39 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesStayton-Scio RD
CrossesN Santiam R Overflow
Location005 MI S City of Stayton
RouteCounty Highway C0601
StateOregon
Coordinates44.78873, -122.79439
Functional classRural Minor Arterial

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.9 US tons
Inventory rating49.3 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans3
Design loadHS 20
Structure length103 ft (31.4 m)
Longest span34 ft (10.4 m)
Deck width39 ft (11.9 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,725 (2021)
Projected traffic10,815 by 2041
Trucks30%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRelief for waterway
Detour if closed16.8 mi (27 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$528,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Stayton-Scio RD over N Santiam R Overflow built?

It was built in 1964, making it 61 years old in 2025.

What condition is Stayton-Scio RD over N Santiam R Overflow 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 Stayton-Scio RD over N Santiam R Overflow carry?

About 7,725 vehicles per day (2021 count), of which roughly 30% are trucks.

How long is Stayton-Scio RD over N Santiam R Overflow?

The structure is 103 ft (31.4 m) long with a longest span of 34 ft (10.4 m) and a deck 39 ft wide.

Who owns Stayton-Scio RD over N Santiam R Overflow?

It is owned by the County Highway Agency.