US Bridges

Harrison Avenue over Coast Fk Willamette Riv

Fair

Lane County, Oregon · 0027 M West of HWY 99 · Structure no. 016321000000027

Built
1979
46 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
92 ft
1 main span
Daily traffic
2,281
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Harrison Avenue over Coast Fk Willamette Riv is a prestressed concrete box beam or girders - multiple carrying Harrison Avenue over Coast Fk Willamette Riv in Lane County, Oregon. It was built in 1979, so it is 46 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 2,281 vehicles a day, roughly 10% of them trucks, projected to reach 2,606 by 2025. The structure is 92 ft (28 m) long and 58 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHarrison Avenue
CrossesCoast Fk Willamette Riv
Location0027 M West of HWY 99
RouteCity Street U6560
StateOregon
Coordinates43.79008, -123.06963
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating23.3 US tons
Inventory rating17.9 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length92 ft (28 m)
Longest span89 ft (27.1 m)
Deck width58 ft (17.7 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,281 (2020)
Projected traffic2,606 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Harrison Avenue over Coast Fk Willamette Riv built?

It was built in 1979, making it 46 years old in 2025.

What condition is Harrison Avenue over Coast Fk Willamette Riv 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 September 2024.

How much traffic does Harrison Avenue over Coast Fk Willamette Riv carry?

About 2,281 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Harrison Avenue over Coast Fk Willamette Riv?

The structure is 92 ft (28 m) long with a longest span of 89 ft (27.1 m) and a deck 58 ft wide.

Who owns Harrison Avenue over Coast Fk Willamette Riv?

It is owned by the City or Municipal Highway Agency.