US Bridges

Or 99E (hwy 58) NB over Periwinkle Creek

Fair

Linn County, Oregon · 0.1 MI W Geary ST · Structure no. 18295 058 00156

Built
1978
47 years old
Condition
Fair
inspected February 2024
Type
Slab
Prestressed Concrete
Length
44 ft
1 main span
Daily traffic
19,210
2022 count
Owner
State
State Highway Agency

About this bridge

Or 99E (hwy 58) NB over Periwinkle Creek is a prestressed concrete slab carrying Or 99E (hwy 58) NB over Periwinkle Creek in Linn 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 19,210 vehicles a day, roughly 2% of them trucks, projected to reach 22,200 by 2042. The structure is 44 ft (13.4 m) long and 61 ft wide. If it were closed, the detour would be 10.6 mi (17 km).

Location

Open in Google Maps
CarriesOr 99E (hwy 58) NB
CrossesPeriwinkle Creek
Location0.1 MI W Geary ST
RouteState Highway 99
CountyLinn County
StateOregon
Coordinates44.63314, -123.08574
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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating23.9 US tons
Inventory rating18.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span44 ft (13.4 m)
Deck width61 ft (18.5 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,210 (2022)
Projected traffic22,200 by 2042
Trucks2%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed10.6 mi (17 km)
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Or 99E (hwy 58) NB over Periwinkle Creek built?

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

What condition is Or 99E (hwy 58) NB 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 February 2024.

How much traffic does Or 99E (hwy 58) NB over Periwinkle Creek carry?

About 19,210 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Or 99E (hwy 58) NB over Periwinkle Creek?

The structure is 44 ft (13.4 m) long with a longest span of 44 ft (13.4 m) and a deck 61 ft wide.

Who owns Or 99E (hwy 58) NB over Periwinkle Creek?

It is owned by the State Highway Agency.