US Bridges

Bethel Road over Plum Creek

Good

Polk County, Oregon · 004 W of State HWY 99W · Structure no. 53C028000100551

Built
1985
40 years old
Condition
Good
inspected August 2024
Type
Slab
Prestressed Concrete
Length
63 ft
1 main span
Daily traffic
1,202
2020 count
Owner
County
County Highway Agency

About this bridge

Bethel Road over Plum Creek is a prestressed concrete slab carrying Bethel Road over Plum Creek in Polk County, Oregon. It was built in 1985, so it is 40 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,202 vehicles a day, roughly 10% of them trucks, projected to reach 1,576 by 2040. The structure is 63 ft (19.2 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesBethel Road
CrossesPlum Creek
Location004 W of State HWY 99W
RouteCounty Highway 0
StateOregon
Coordinates45.04274, -123.21555
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum 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 alignment8: Equal to present desirable criteria
Operating rating89 US tons
Inventory rating53 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length63 ft (19.2 m)
Longest span62 ft (18.9 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 traffic1,576 by 2040
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 Bethel Road over Plum Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is Bethel Road over Plum 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 August 2024.

How much traffic does Bethel Road over Plum Creek carry?

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

How long is Bethel Road over Plum Creek?

The structure is 63 ft (19.2 m) long with a longest span of 62 ft (18.9 m) and a deck 32 ft wide.

Who owns Bethel Road over Plum Creek?

It is owned by the County Highway Agency.