US Bridges

Old HWY 30 over Beaver Creek

Fair

Columbia County, Oregon · 005 MI S JCT FAS A751/752 · Structure no. 03128A414700386

Built
1976
49 years old
Condition
Fair
inspected May 2023
Type
Slab
Prestressed Concrete
Length
101 ft
2 main spans
Daily traffic
450
2020 count
Owner
County
County Highway Agency

About this bridge

Old HWY 30 over Beaver Creek is a prestressed concrete slab carrying Old HWY 30 over Beaver Creek in Columbia County, Oregon. It was built in 1976, so it is 49 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 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 450 vehicles a day, roughly 10% of them trucks, projected to reach 510 by 2025. The structure is 101 ft (30.8 m) long and 37 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesOld HWY 30
CrossesBeaver Creek
Location005 MI S JCT FAS A751/752
RouteCounty Highway A0752
CountyColumbia County
StateOregon
Coordinates46.11923, -123.16407
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.9 US tons
Inventory rating53.2 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length101 ft (30.8 m)
Longest span50 ft (15.2 m)
Deck width37 ft (11.2 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2020)
Projected traffic510 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 1976, making it 49 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 450 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Old HWY 30 over Beaver Creek?

The structure is 101 ft (30.8 m) long with a longest span of 50 ft (15.2 m) and a deck 37 ft wide.

Who owns Old HWY 30 over Beaver Creek?

It is owned by the County Highway Agency.