US Bridges

282nd St. over Johnson Creek

Good

Multnomah County, Oregon · 032 MI SW Boring · Structure no. 20722 000 00209

Built
2008
17 years old
Condition
Good
inspected July 2024
Type
Slab
Prestressed Concrete
Length
26 ft
1 main span
Daily traffic
3,318
2020 count
Owner
County
County Highway Agency

About this bridge

282nd St. over Johnson Creek is a prestressed concrete slab carrying 282nd St. over Johnson Creek in Multnomah 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 3,318 vehicles a day, roughly 14% of them trucks, projected to reach 3,552 by 2025. The structure is 26 ft (7.9 m) long and 48 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries282nd St.
CrossesJohnson Creek
Location032 MI SW Boring
RouteCounty Highway 0
StateOregon
Coordinates45.46194, -122.37278
Functional classRural Minor Arterial

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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation8: Equal to present desirable 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 rating69.3 US tons
Inventory rating53.6 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width48 ft (14.6 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,318 (2020)
Projected traffic3,552 by 2025
Trucks14%
Lanes on structure3
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 282nd St. over Johnson Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is 282nd St. over Johnson 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 July 2024.

How much traffic does 282nd St. over Johnson Creek carry?

About 3,318 vehicles per day (2020 count), of which roughly 14% are trucks.

How long is 282nd St. over Johnson Creek?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 48 ft wide.

Who owns 282nd St. over Johnson Creek?

It is owned by the County Highway Agency.