US Bridges

Glisan ST on Ramp over Oxing HWY 64 Conn No 1

Fair

Multnomah County, Oregon · 5.4 MI S Ore-Wash Line · Structure no. 13516G064C02119

Built
1985
40 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
279 ft
3 main spans
Daily traffic
68,656
2022 count
Owner
State
State Highway Agency

About this bridge

Glisan ST on Ramp over Oxing HWY 64 Conn No 1 is a prestressed concrete continuous box beam or girders - single or spread carrying Glisan ST on Ramp over Oxing HWY 64 Conn No 1 in Multnomah 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 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 68,656 vehicles a day, roughly 8% of them trucks, projected to reach 84,650 by 2042. The structure is 279 ft (85 m) long and 37 ft wide.

CarriesGlisan ST on Ramp
CrossesOxing HWY 64 Conn No 1
Location5.4 MI S Ore-Wash Line
RouteInterstate 205
StateOregon
Coordinates45.52728, -122.56461
Functional classUrban Other Principal 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.8 US tons
Inventory rating28.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length279 ft (85 m)
Longest span129 ft (39.3 m)
Deck width37 ft (11.4 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic68,656 (2022)
Projected traffic84,650 by 2042
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 Glisan ST on Ramp over Oxing HWY 64 Conn No 1 built?

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

What condition is Glisan ST on Ramp over Oxing HWY 64 Conn No 1 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 2024.

How much traffic does Glisan ST on Ramp over Oxing HWY 64 Conn No 1 carry?

About 68,656 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Glisan ST on Ramp over Oxing HWY 64 Conn No 1?

The structure is 279 ft (85 m) long with a longest span of 129 ft (39.3 m) and a deck 37 ft wide.

Who owns Glisan ST on Ramp over Oxing HWY 64 Conn No 1?

It is owned by the State Highway Agency.