US Bridges

Hoskins RD over Luckiamute River

Fair

Benton County, Oregon · 0001 MI W of 06530 · Structure no. 14100A000

Built
1964
61 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
149 ft
3 main spans
Daily traffic
175
2020 count
Owner
County
County Highway Agency

About this bridge

Hoskins RD over Luckiamute River is a prestressed concrete stringer/multi-beam or girder carrying Hoskins RD over Luckiamute River in Benton County, Oregon. It was built in 1964, so it is 61 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 175 vehicles a day, roughly 20% of them trucks, projected to reach 247 by 2040. The structure is 149 ft (45.4 m) long and 29 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesHoskins RD
CrossesLuckiamute River
Location0001 MI W of 06530
RouteCounty Highway 0
StateOregon
Coordinates44.6766, -123.46814
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating29.7 US tons
Inventory rating22.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length149 ft (45.4 m)
Longest span75 ft (22.9 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic175 (2020)
Projected traffic247 by 2040
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Hoskins RD over Luckiamute River built?

It was built in 1964, making it 61 years old in 2025.

What condition is Hoskins RD 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 July 2024.

How much traffic does Hoskins RD over Luckiamute River carry?

About 175 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is Hoskins RD over Luckiamute River?

The structure is 149 ft (45.4 m) long with a longest span of 75 ft (22.9 m) and a deck 29 ft wide.

Who owns Hoskins RD over Luckiamute River?

It is owned by the County Highway Agency.