US Bridges

Wildwood Road over Luckiamute River

FairPosted for load

Polk County, Oregon · 007 N Benton County Line · Structure no. 53C140107200074

Built
1967
58 years old
Condition
Fair
inspected August 2024
Type
Truss - Thru
Steel
Length
145 ft
1 main span
Daily traffic
94
2020 count
Owner
County
County Highway Agency

About this bridge

Wildwood Road over Luckiamute River is a steel truss - thru carrying Wildwood Road over Luckiamute River in Polk County, Oregon. It was built in 1967, so it is 58 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. Its operating status is: posted for load restriction.

It carries about 94 vehicles a day, roughly 1% of them trucks, projected to reach 148 by 2040. The structure is 145 ft (44.2 m) long and 18 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesWildwood Road
CrossesLuckiamute River
Location007 N Benton County Line
RouteCounty Highway 0
CountyPolk County
StateOregon
Coordinates44.72876, -123.5185
Functional classRural Minor 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating23.9 US tons
Inventory rating18.5 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length145 ft (44.2 m)
Longest span140 ft (42.7 m)
Deck width18 ft (5.5 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deck15 ft (4.7 m)

Traffic and service

Average daily traffic94 (2020)
Projected traffic148 by 2040
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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$743,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Wildwood Road over Luckiamute River built?

It was built in 1967, making it 58 years old in 2025.

What condition is Wildwood Road over Luckiamute River 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 August 2024.

How much traffic does Wildwood Road over Luckiamute River carry?

About 94 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Wildwood Road over Luckiamute River?

The structure is 145 ft (44.2 m) long with a longest span of 140 ft (42.7 m) and a deck 18 ft wide.

Who owns Wildwood Road over Luckiamute River?

It is owned by the County Highway Agency.