US Bridges

Or 47 (hwy 102) over Beaver Creek

Fair

Columbia County, Oregon · 1.0 MI S Vernonia · Structure no. 03148 102 06421

Built
1968
57 years old
Condition
Fair
inspected October 2024
Type
Slab
Prestressed Concrete
Length
85 ft
3 main spans
Daily traffic
3,196
2022 count
Owner
State
State Highway Agency

About this bridge

Or 47 (hwy 102) over Beaver Creek is a prestressed concrete slab carrying Or 47 (hwy 102) over Beaver Creek in Columbia County, Oregon. It was built in 1968, so it is 57 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 5 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 3,196 vehicles a day, roughly 10% of them trucks, projected to reach 3,800 by 2042. The structure is 85 ft (25.9 m) long and 32 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

Location

Open in Google Maps
CarriesOr 47 (hwy 102)
CrossesBeaver Creek
Location1.0 MI S Vernonia
RouteState Highway 47
CountyColumbia County
StateOregon
Coordinates45.84059, -123.21248
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.2 US tons
Inventory rating37.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length85 ft (25.9 m)
Longest span31 ft (9.5 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,196 (2022)
Projected traffic3,800 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18.6 mi (30 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$560,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Or 47 (hwy 102) over Beaver Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is Or 47 (hwy 102) over Beaver 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 October 2024.

How much traffic does Or 47 (hwy 102) over Beaver Creek carry?

About 3,196 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Or 47 (hwy 102) over Beaver Creek?

The structure is 85 ft (25.9 m) long with a longest span of 31 ft (9.5 m) and a deck 32 ft wide.

Who owns Or 47 (hwy 102) over Beaver Creek?

It is owned by the State Highway Agency.