US Bridges

Bethel Road over W Branch Ash Swale

Fair

Polk County, Oregon · 010 W of State HWY 99W · Structure no. 53C027000100495

Built
1983
42 years old
Condition
Fair
inspected August 2024
Type
Slab
Prestressed Concrete
Length
77 ft
2 main spans
Daily traffic
1,202
2020 count
Owner
County
County Highway Agency

About this bridge

Bethel Road over W Branch Ash Swale is a prestressed concrete slab carrying Bethel Road over W Branch Ash Swale in Polk County, Oregon. It was built in 1983, so it is 42 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 1,202 vehicles a day, roughly 10% of them trucks, projected to reach 1,748 by 2040. The structure is 77 ft (23.5 m) long and 32 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesBethel Road
CrossesW Branch Ash Swale
Location010 W of State HWY 99W
RouteCounty Highway 0
CountyPolk County
StateOregon
Coordinates45.04277, -123.22685
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 protection7 GoodSome minor problems.
Last inspectionAugust 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating41.4 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans2
Design loadHS 20
Structure length77 ft (23.5 m)
Longest span38 ft (11.6 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,202 (2020)
Projected traffic1,748 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 Bethel Road over W Branch Ash Swale built?

It was built in 1983, making it 42 years old in 2025.

What condition is Bethel Road over W Branch Ash Swale 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 August 2024.

How much traffic does Bethel Road over W Branch Ash Swale carry?

About 1,202 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Bethel Road over W Branch Ash Swale?

The structure is 77 ft (23.5 m) long with a longest span of 38 ft (11.6 m) and a deck 32 ft wide.

Who owns Bethel Road over W Branch Ash Swale?

It is owned by the County Highway Agency.