US Bridges

Old HWY 30 over Beaver Creek

Good

Columbia County, Oregon · 018 MI W HWY 30 JCT · Structure no. 20729 414700810

Built
2008
17 years old
Condition
Good
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
93 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 2008, so it is 17 years old, younger than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 437 vehicles a day, roughly 10% of them trucks, projected to reach 482 by 2025. The structure is 93 ft (28.4 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesOld HWY 30
CrossesBeaver Creek
Location018 MI W HWY 30 JCT
RouteCounty Highway A0752
StateOregon
Coordinates46.1063, -123.09699
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable 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 rating60.7 US tons
Inventory rating46.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length93 ft (28.4 m)
Longest span93 ft (28.4 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9 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 2008, making it 17 years old in 2025.

What condition is Old HWY 30 over Beaver Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. 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 93 ft (28.4 m) long with a longest span of 93 ft (28.4 m) and a deck 32 ft wide.

Who owns Old HWY 30 over Beaver Creek?

It is owned by the County Highway Agency.