US Bridges

Stewart Parkway over Newton Creek

Fair

Douglas County, Oregon · 0.5 MI N of S Umpqua R. · Structure no. 26T01 000 00000

Built
1973
52 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
35 ft
1 main span
Daily traffic
17,341
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Stewart Parkway over Newton Creek is a steel stringer/multi-beam or girder carrying Stewart Parkway over Newton Creek in Douglas County, Oregon. It was built in 1973, so it is 52 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 17,341 vehicles a day, roughly 10% of them trucks, projected to reach 18,091 by 2025. The structure is 35 ft (10.7 m) long and 78 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesStewart Parkway
CrossesNewton Creek
Location0.5 MI N of S Umpqua R.
RouteCity Street 3135
CountyDouglas County
StateOregon
Coordinates43.22612, -123.37382
Functional classUrban Minor 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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
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
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34 US tons
Inventory rating26.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span35 ft (10.7 m)
Deck width78 ft (23.9 m)
Roadway width60 ft (18.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,341 (2020)
Projected traffic18,091 by 2025
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$159,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Stewart Parkway over Newton Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is Stewart Parkway over Newton 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 April 2023.

How much traffic does Stewart Parkway over Newton Creek carry?

About 17,341 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Stewart Parkway over Newton Creek?

The structure is 35 ft (10.7 m) long with a longest span of 35 ft (10.7 m) and a deck 78 ft wide.

Who owns Stewart Parkway over Newton Creek?

It is owned by the City or Municipal Highway Agency.