US Bridges

NW Oak Creek DR over Oak Creek

Fair

Benton County, Oregon · 0063 MI N of CR 16050 · Structure no. 14462 000 00250

Built
1957
68 years old
Condition
Fair
inspected July 2024
Type
Slab
Wood or Timber
Length
25 ft
1 main span
Daily traffic
321
2020 count
Owner
County
County Highway Agency

About this bridge

NW Oak Creek DR over Oak Creek is a wood or timber slab carrying NW Oak Creek DR over Oak Creek in Benton County, Oregon. It was built in 1957, so it is 68 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 321 vehicles a day, roughly 10% of them trucks, projected to reach 492 by 2040. The structure is 25 ft (7.6 m) long and 21 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesNW Oak Creek DR
CrossesOak Creek
Location0063 MI N of CR 16050
RouteCounty Highway 0
CountyBenton County
StateOregon
Coordinates44.59719, -123.33532
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42.9 US tons
Inventory rating32.8 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span24 ft (7.3 m)
Deck width21 ft (6.3 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic321 (2020)
Projected traffic492 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$128,000
NavigationNo navigation control on waterway

Frequently asked questions

When was NW Oak Creek DR over Oak Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is NW Oak Creek DR over Oak 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 July 2024.

How much traffic does NW Oak Creek DR over Oak Creek carry?

About 321 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is NW Oak Creek DR over Oak Creek?

The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.3 m) and a deck 21 ft wide.

Who owns NW Oak Creek DR over Oak Creek?

It is owned by the County Highway Agency.