US Bridges

Steckley RD over Oak Creek Overflow

PoorPosted for load

Linn County, Oregon · 0005 Miles South HWY 34 · Structure no. 12647 040800005

Built
1961
64 years old
Condition
Poor
inspected June 2024
Type
Slab
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
505
2021 count
Owner
County
County Highway Agency

About this bridge

Steckley RD over Oak Creek Overflow is a prestressed concrete slab carrying Steckley RD over Oak Creek Overflow in Linn County, Oregon. It was built in 1961, so it is 64 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: posted for load restriction.

It carries about 505 vehicles a day, roughly 10% of them trucks, projected to reach 721 by 2041. The structure is 30 ft (9.1 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSteckley RD
CrossesOak Creek Overflow
Location0005 Miles South HWY 34
RouteCounty Highway C0408
StateOregon
Coordinates44.54539, -122.99437
Functional classRural Local

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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
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 alignment6: Equal to present minimum criteria
Operating rating20 US tons
Inventory rating15.8 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span30 ft (9.1 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic505 (2021)
Projected traffic721 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Steckley RD over Oak Creek Overflow built?

It was built in 1961, making it 64 years old in 2025.

What condition is Steckley RD over Oak Creek Overflow 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 June 2024.

How much traffic does Steckley RD over Oak Creek Overflow carry?

About 505 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Steckley RD over Oak Creek Overflow?

The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m) and a deck 31 ft wide.

Who owns Steckley RD over Oak Creek Overflow?

It is owned by the County Highway Agency.