US Bridges

Or 47 (hwy 102) over Beaver Creek

Fair

Columbia County, Oregon · 2.0 MI S Vernonia · Structure no. 03151 102 06522

Built
1964
61 years old
Condition
Fair
inspected October 2024
Type
Slab
Prestressed Concrete
Length
84 ft
4 main spans
Daily traffic
2,713
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 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 2,713 vehicles a day, roughly 10% of them trucks, projected to reach 3,400 by 2042. The structure is 84 ft (25.6 m) long and 31 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

CarriesOr 47 (hwy 102)
CrossesBeaver Creek
Location2.0 MI S Vernonia
RouteState Highway 47
StateOregon
Coordinates45.83222, -123.22794
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.8 US tons
Inventory rating32.2 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length84 ft (25.6 m)
Longest span21 ft (6.4 m)
Deck width31 ft (9.6 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,713 (2022)
Projected traffic3,400 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 1964, making it 61 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 2,713 vehicles per day (2022 count), of which roughly 10% are trucks.

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

The structure is 84 ft (25.6 m) long with a longest span of 21 ft (6.4 m) and a deck 31 ft wide.

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

It is owned by the State Highway Agency.