US Bridges

Flint Ave. over HWY 001

Fair

Multnomah County, Oregon · 1.0 MI N of Burnside Br · Structure no. 08573 001 30253

Built
1963
62 years old
Condition
Fair
inspected February 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
522 ft
6 main spans
Daily traffic
7,200
2010 count
Owner
State
State Highway Agency

About this bridge

Flint Ave. over HWY 001 is a concrete continuous box beam or girders - multiple carrying Flint Ave. over HWY 001 in Multnomah County, Oregon. It was built in 1963, so it is 62 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 7,200 vehicles a day, roughly 13% of them trucks, projected to reach 7,200 by 2030. The structure is 522 ft (159.1 m) long and 56 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesFlint Ave.
CrossesHWY 001
Location1.0 MI N of Burnside Br
RouteCity Street 0
StateOregon
Coordinates45.53725, -122.66875
Functional classUrban Collector

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 inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating17.5 US tons
Inventory rating13.6 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length522 ft (159.1 m)
Longest span110 ft (33.5 m)
Deck width56 ft (17.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,200 (2010)
Projected traffic7,200 by 2030
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$4.9 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Flint Ave. over HWY 001 built?

It was built in 1963, making it 62 years old in 2025.

What condition is Flint Ave. over HWY 001 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 February 2023.

How much traffic does Flint Ave. over HWY 001 carry?

About 7,200 vehicles per day (2010 count), of which roughly 13% are trucks.

How long is Flint Ave. over HWY 001?

The structure is 522 ft (159.1 m) long with a longest span of 110 ft (33.5 m) and a deck 56 ft wide.

Who owns Flint Ave. over HWY 001?

It is owned by the State Highway Agency.