US Bridges

Glisan ST over HWY 064

Fair

Multnomah County, Oregon · 5.5 MI S Ore-Wash Line · Structure no. 13520 064 02112

Built
1978
47 years old
Condition
Fair
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
308 ft
2 main spans
Daily traffic
27,581
2022 count
Owner
State
State Highway Agency

About this bridge

Glisan ST over HWY 064 is a prestressed concrete continuous box beam or girders - multiple carrying Glisan ST over HWY 064 in Multnomah County, Oregon. It was built in 1978, so it is 47 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 27,581 vehicles a day, roughly 7% of them trucks, projected to reach 154,900 by 2040. The structure is 308 ft (93.9 m) long and 96 ft wide.

Location

Open in Google Maps
CarriesGlisan ST
CrossesHWY 064
Location5.5 MI S Ore-Wash Line
RouteCity Street 0
CountyMultnomah County
StateOregon
Coordinates45.52632, -122.56526
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.6 US tons
Inventory rating26.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length308 ft (93.9 m)
Longest span177 ft (53.9 m)
Deck width96 ft (29.3 m)
Roadway width78 ft (23.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,581 (2022)
Projected traffic154,900 by 2040
Trucks7%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 over HWY 064 built?

It was built in 1978, making it 47 years old in 2025.

What condition is Glisan ST over HWY 064 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 March 2023.

How much traffic does Glisan ST over HWY 064 carry?

About 27,581 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is Glisan ST over HWY 064?

The structure is 308 ft (93.9 m) long with a longest span of 177 ft (53.9 m) and a deck 96 ft wide.

Who owns Glisan ST over HWY 064?

It is owned by the State Highway Agency.