US Bridges

Or 30 HWY 92 over Swedetown Cnty Rd.

Fair

Columbia County, Oregon · 1.0 MI E Clatskanie · Structure no. 07715 02W 06082

Built
1954
71 years old
Condition
Fair
inspected November 2023
Type
Tee Beam
Concrete Continuous
Length
130 ft
3 main spans
Daily traffic
11,433
2022 count
Owner
State
State Highway Agency

About this bridge

Or 30 HWY 92 over Swedetown Cnty Rd. is a concrete continuous tee beam carrying Or 30 HWY 92 over Swedetown Cnty Rd. in Columbia County, Oregon. It was built in 1954, so it is 71 years old, older 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 11,433 vehicles a day, roughly 5% of them trucks, projected to reach 11,500 by 2042. The structure is 130 ft (39.6 m) long and 35 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesOr 30 HWY 92
CrossesSwedetown Cnty Rd.
Location1.0 MI E Clatskanie
RouteU.S. Route 30
CountyColumbia County
StateOregon
Coordinates46.10208, -123.19121
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52 US tons
Inventory rating31 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length130 ft (39.6 m)
Longest span50 ft (15.2 m)
Deck width35 ft (10.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,433 (2022)
Projected traffic11,500 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$666,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Or 30 HWY 92 over Swedetown Cnty Rd. built?

It was built in 1954, making it 71 years old in 2025.

What condition is Or 30 HWY 92 over Swedetown Cnty Rd. 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 November 2023.

How much traffic does Or 30 HWY 92 over Swedetown Cnty Rd. carry?

About 11,433 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Or 30 HWY 92 over Swedetown Cnty Rd.?

The structure is 130 ft (39.6 m) long with a longest span of 50 ft (15.2 m) and a deck 35 ft wide.

Who owns Or 30 HWY 92 over Swedetown Cnty Rd.?

It is owned by the State Highway Agency.