US Bridges

1st Ave over Periwinkle Creek

Fair

Linn County, Oregon · 0.06 MI West of Cleveland · Structure no. 17993 000000000

Built
1997
28 years old
Condition
Fair
inspected October 2024
Type
Slab
Prestressed Concrete
Length
57 ft
1 main span
Daily traffic
721
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

1st Ave over Periwinkle Creek is a prestressed concrete slab carrying 1st Ave over Periwinkle Creek in Linn County, Oregon. It was built in 1997, so it is 28 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 721 vehicles a day, roughly 2% of them trucks, projected to reach 1,061 by 2041. The structure is 57 ft (17.4 m) long and 55 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
Carries1st Ave
CrossesPeriwinkle Creek
Location0.06 MI West of Cleveland
RouteCity Street C0000
CountyLinn County
StateOregon
Coordinates44.63946, -123.08671
Functional classUrban Local

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.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.9 US tons
Inventory rating56.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length57 ft (17.4 m)
Longest span56 ft (17.1 m)
Deck width55 ft (16.9 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic721 (2021)
Projected traffic1,061 by 2041
Trucks2%
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 1st Ave over Periwinkle Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is 1st Ave over Periwinkle Creek 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 October 2024.

How much traffic does 1st Ave over Periwinkle Creek carry?

About 721 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is 1st Ave over Periwinkle Creek?

The structure is 57 ft (17.4 m) long with a longest span of 56 ft (17.1 m) and a deck 55 ft wide.

Who owns 1st Ave over Periwinkle Creek?

It is owned by the City or Municipal Highway Agency.