US Bridges

Jefferson ST over HWY 61

Fair

Multnomah County, Oregon · 0.2 MI S of Taylor ST · Structure no. 09252 061 00177

Built
1967
58 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
247 ft
2 main spans
Daily traffic
89,410
2020 count
Owner
State
State Highway Agency

About this bridge

Jefferson ST over HWY 61 is a steel continuous stringer/multi-beam or girder carrying Jefferson ST over HWY 61 in Multnomah County, Oregon. It was built in 1967, so it is 58 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 89,410 vehicles a day, roughly 11% of them trucks, projected to reach 126,100 by 2040. The structure is 247 ft (75.3 m) long and 60 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesJefferson ST
CrossesHWY 61
Location0.2 MI S of Taylor ST
RouteCity Street 0
StateOregon
Coordinates45.51697, -122.68785
Functional classUrban Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.3 US tons
Inventory rating34.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length247 ft (75.3 m)
Longest span130 ft (39.5 m)
Deck width60 ft (18.3 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic89,410 (2020)
Projected traffic126,100 by 2040
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.7 mi (6 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Jefferson ST over HWY 61 built?

It was built in 1967, making it 58 years old in 2025.

What condition is Jefferson ST over HWY 61 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 July 2023.

How much traffic does Jefferson ST over HWY 61 carry?

About 89,410 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is Jefferson ST over HWY 61?

The structure is 247 ft (75.3 m) long with a longest span of 130 ft (39.5 m) and a deck 60 ft wide.

Who owns Jefferson ST over HWY 61?

It is owned by the State Highway Agency.