US Bridges

Bellfountain RD over Oliver Creek

Fair

Benton County, Oregon · 1.6 MI North of CR45120 · Structure no. 20130 251 01440

Built
2006
19 years old
Condition
Fair
inspected July 2024
Type
Slab
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
535
2020 count
Owner
County
County Highway Agency

About this bridge

Bellfountain RD over Oliver Creek is a prestressed concrete slab carrying Bellfountain RD over Oliver Creek in Benton County, Oregon. It was built in 2006, so it is 19 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 535 vehicles a day, roughly 10% of them trucks, projected to reach 765 by 2040. The structure is 50 ft (15.2 m) long and 40 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesBellfountain RD
CrossesOliver Creek
Location1.6 MI North of CR45120
RouteCounty Highway 0
CountyBenton County
StateOregon
Coordinates44.35255, -123.35582
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.3 US tons
Inventory rating60.4 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length50 ft (15.2 m)
Longest span50 ft (15.2 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic535 (2020)
Projected traffic765 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Bellfountain RD over Oliver Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is Bellfountain RD over Oliver 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 Bellfountain RD over Oliver Creek carry?

About 535 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Bellfountain RD over Oliver Creek?

The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.2 m) and a deck 40 ft wide.

Who owns Bellfountain RD over Oliver Creek?

It is owned by the County Highway Agency.