US Bridges

Or 99 (hwy 234) over Newton Creek

Fair

Douglas County, Oregon · 003 MI N Roseburg · Structure no. 03395A234 01524

Built
1995
30 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
18,966
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Or 99 (hwy 234) over Newton Creek is a concrete continuous culvert carrying Or 99 (hwy 234) over Newton Creek in Douglas County, Oregon. It was built in 1995, so it is 30 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 18,966 vehicles a day, roughly 6% of them trucks, projected to reach 26,736 by 2025. The structure is 27 ft (8.2 m) long.

Location

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CarriesOr 99 (hwy 234)
CrossesNewton Creek
Location003 MI N Roseburg
RouteCity Street 99
CountyDouglas County
StateOregon
Coordinates43.23941, -123.35292
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.3 US tons
Inventory rating31.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,966 (2020)
Projected traffic26,736 by 2025
Trucks6%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 Or 99 (hwy 234) over Newton Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is Or 99 (hwy 234) 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 Or 99 (hwy 234) over Newton Creek carry?

About 18,966 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is Or 99 (hwy 234) over Newton Creek?

The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.7 m).

Who owns Or 99 (hwy 234) over Newton Creek?

It is owned by the City or Municipal Highway Agency.