US Bridges

Sand Ridge Road over Butte Creek

Poor

Linn County, Oregon · 006 Miles South CR 739 · Structure no. 12634A041200061

Built
1962
63 years old
Condition
Poor
inspected July 2024
Type
Slab
Prestressed Concrete
Length
64 ft
3 main spans
Daily traffic
1,957
2021 count
Owner
County
County Highway Agency

About this bridge

Sand Ridge Road over Butte Creek is a prestressed concrete slab carrying Sand Ridge Road over Butte Creek in Linn County, Oregon. It was built in 1962, so it is 63 years old, older than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: open, would be posted or closed except for temporary shoring.

It carries about 1,957 vehicles a day, roughly 10% of them trucks, projected to reach 2,781 by 2041. The structure is 64 ft (19.5 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSand Ridge Road
CrossesButte Creek
Location006 Miles South CR 739
RouteCounty Highway A0481
StateOregon
Coordinates44.47411, -122.9885
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, would be posted or closed except for temporary shoring
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating31.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans3
Design loadHS 20
Structure length64 ft (19.5 m)
Longest span21 ft (6.4 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,957 (2021)
Projected traffic2,781 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Sand Ridge Road over Butte Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is Sand Ridge Road over Butte Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does Sand Ridge Road over Butte Creek carry?

About 1,957 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Sand Ridge Road over Butte Creek?

The structure is 64 ft (19.5 m) long with a longest span of 21 ft (6.4 m) and a deck 29 ft wide.

Who owns Sand Ridge Road over Butte Creek?

It is owned by the County Highway Agency.