US Bridges

Old HWY 30 over Beaver Creek

Fair

Columbia County, Oregon · 042 MI W HWY 30 Jctn · Structure no. 20058 414700549

Built
2005
20 years old
Condition
Fair
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
110 ft
1 main span
Daily traffic
437
2020 count
Owner
County
County Highway Agency

About this bridge

Old HWY 30 over Beaver Creek is a prestressed concrete box beam or girders - multiple carrying Old HWY 30 over Beaver Creek in Columbia County, Oregon. It was built in 2005, so it is 20 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 437 vehicles a day, roughly 10% of them trucks, projected to reach 482 by 2025. The structure is 110 ft (33.5 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesOld HWY 30
CrossesBeaver Creek
Location042 MI W HWY 30 Jctn
RouteCounty Highway A0752
CountyColumbia County
StateOregon
Coordinates46.10395, -123.14078
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating67.5 US tons
Inventory rating52.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length110 ft (33.5 m)
Longest span110 ft (33.5 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic437 (2020)
Projected traffic482 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Old HWY 30 over Beaver Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is Old HWY 30 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 May 2023.

How much traffic does Old HWY 30 over Beaver Creek carry?

About 437 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Old HWY 30 over Beaver Creek?

The structure is 110 ft (33.5 m) long with a longest span of 110 ft (33.5 m) and a deck 28 ft wide.

Who owns Old HWY 30 over Beaver Creek?

It is owned by the County Highway Agency.