US Bridges

HWY 140 over Senecal Creek

Good

Marion County, Oregon · 001 West of Woodburn · Structure no. 04442A140 03608

Built
1985
40 years old
Condition
Good
inspected September 2023
Type
Slab
Prestressed Concrete
Length
45 ft
1 main span
Daily traffic
7,340
2022 count
Owner
State
State Highway Agency

About this bridge

HWY 140 over Senecal Creek is a prestressed concrete slab carrying HWY 140 over Senecal Creek in Marion County, Oregon. It was built in 1985, so it is 40 years old, younger 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 7,340 vehicles a day, roughly 10% of them trucks, projected to reach 9,400 by 2042. The structure is 45 ft (13.7 m) long and 40 ft wide. If it were closed, the detour would be 4.3 mi (7 km).

Location

Open in Google Maps
CarriesHWY 140
CrossesSenecal Creek
Location001 West of Woodburn
RouteState Highway 219
CountyMarion County
StateOregon
Coordinates45.15094, -122.89573
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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.1 US tons
Inventory rating40.3 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length45 ft (13.7 m)
Longest span45 ft (13.7 m)
Deck width40 ft (12.2 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,340 (2022)
Projected traffic9,400 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed4.3 mi (7 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 HWY 140 over Senecal Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is HWY 140 over Senecal Creek 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 September 2023.

How much traffic does HWY 140 over Senecal Creek carry?

About 7,340 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is HWY 140 over Senecal Creek?

The structure is 45 ft (13.7 m) long with a longest span of 45 ft (13.7 m) and a deck 40 ft wide.

Who owns HWY 140 over Senecal Creek?

It is owned by the State Highway Agency.