US Bridges

Beaver Falls Road over Gap

Good

Columbia County, Oregon · W HWY 30 Jctn · Structure no. 20994 414700620

Built
2009
16 years old
Condition
Good
inspected May 2023
Type
Slab
Prestressed Concrete
Length
65 ft
1 main span
Daily traffic
437
2020 count
Owner
County
County Highway Agency

About this bridge

Beaver Falls Road over Gap is a prestressed concrete slab carrying Beaver Falls Road over Gap in Columbia County, Oregon. It was built in 2009, so it is 16 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 65 ft (19.8 m) long and 4 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesBeaver Falls Road
CrossesGap
LocationW HWY 30 Jctn
RouteCounty Highway A0752
CountyColumbia County
StateOregon
Coordinates46.10496, -123.12461
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.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.2 US tons
Inventory rating37.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length65 ft (19.8 m)
Longest span65 ft (19.8 m)
Deck width4 ft (1.2 m)
Roadway width20 ft (6.1 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
CrossesOther
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 Beaver Falls Road over Gap built?

It was built in 2009, making it 16 years old in 2025.

What condition is Beaver Falls Road over Gap 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 Beaver Falls Road over Gap carry?

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

How long is Beaver Falls Road over Gap?

The structure is 65 ft (19.8 m) long with a longest span of 65 ft (19.8 m) and a deck 4 ft wide.

Who owns Beaver Falls Road over Gap?

It is owned by the County Highway Agency.