US Bridges

Bankston RD over S.F.Scappoose Creek

Fair

Columbia County, Oregon · 03.5 W. of Scappoose · Structure no. 09C00440C10100

Built
1980
45 years old
Condition
Fair
inspected May 2023
Type
Culvert
Steel
Length
22 ft
1 main span
Daily traffic
111
2020 count
Owner
County
County Highway Agency

About this bridge

Bankston RD over S.F.Scappoose Creek is a steel culvert carrying Bankston RD over S.F.Scappoose Creek in Columbia County, Oregon. It was built in 1980, so it is 45 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 111 vehicles a day, projected to reach 126 by 2025. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 123.7 mi (199 km).

CarriesBankston RD
CrossesS.F.Scappoose Creek
Location03.5 W. of Scappoose
RouteCounty Highway C1010
StateOregon
Coordinates45.74564, -122.94695
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating98.9 US tons
Inventory rating76.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span22 ft (6.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic111 (2020)
Projected traffic126 by 2025
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Bankston RD over S.F.Scappoose Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Bankston RD over S.F.Scappoose Creek 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 May 2023.

How much traffic does Bankston RD over S.F.Scappoose Creek carry?

About 111 vehicles per day (2020 count).

How long is Bankston RD over S.F.Scappoose Creek?

The structure is 22 ft (6.7 m) long with a longest span of 22 ft (6.7 m).

Who owns Bankston RD over S.F.Scappoose Creek?

It is owned by the County Highway Agency.