US Bridges

Wintel RD over Sidney Ditch

Poor

Marion County, Oregon · 008M NW Talbot RD I-5 Int · Structure no. 47C76 907

Built
1960
65 years old
Condition
Poor
inspected August 2024
Type
Slab
Wood or Timber
Length
25 ft
1 main span
Daily traffic
456
2020 count
Owner
County
County Highway Agency

About this bridge

Wintel RD over Sidney Ditch is a wood or timber slab carrying Wintel RD over Sidney Ditch in Marion County, Oregon. It was built in 1960, so it is 65 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.

It carries about 456 vehicles a day, roughly 10% of them trucks, projected to reach 511 by 2025. The structure is 25 ft (7.6 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesWintel RD
CrossesSidney Ditch
Location008M NW Talbot RD I-5 Int
RouteCounty Highway C0907
StateOregon
Coordinates44.76714, -123.05358
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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34 US tons
Inventory rating26.1 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadH 20
Structure length25 ft (7.6 m)
Longest span24 ft (7.3 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic456 (2020)
Projected traffic511 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Wintel RD over Sidney Ditch built?

It was built in 1960, making it 65 years old in 2025.

What condition is Wintel RD over Sidney Ditch 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 August 2024.

How much traffic does Wintel RD over Sidney Ditch carry?

About 456 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Wintel RD over Sidney Ditch?

The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.3 m) and a deck 24 ft wide.

Who owns Wintel RD over Sidney Ditch?

It is owned by the County Highway Agency.