US Bridges

Foster RD over Oliver Creek

PoorPosted for load

Benton County, Oregon · 0048 MI S of Dawson RD · Structure no. 14145 000 00050

Built
1959
66 years old
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
50 ft
3 main spans
Daily traffic
125
2020 count
Owner
County
County Highway Agency

About this bridge

Foster RD over Oliver Creek is a wood or timber stringer/multi-beam or girder carrying Foster RD over Oliver Creek in Benton County, Oregon. It was built in 1959, so it is 66 years old, older than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 125 vehicles a day, roughly 1% of them trucks, projected to reach 180 by 2040. The structure is 50 ft (15.2 m) long and 23 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFoster RD
CrossesOliver Creek
Location0048 MI S of Dawson RD
RouteCounty Highway 0
StateOregon
Coordinates44.35679, -123.37607
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating16.1 US tons
Inventory rating12.5 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadUnknown
Structure length50 ft (15.2 m)
Longest span17 ft (5.2 m)
Deck width23 ft (7 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2020)
Projected traffic180 by 2040
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$256,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Foster RD over Oliver Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is Foster RD over Oliver Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does Foster RD over Oliver Creek carry?

About 125 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Foster RD over Oliver Creek?

The structure is 50 ft (15.2 m) long with a longest span of 17 ft (5.2 m) and a deck 23 ft wide.

Who owns Foster RD over Oliver Creek?

It is owned by the County Highway Agency.