US Bridges

HWY 029 over P&wrr

Good

Washington County, Oregon · 052 MI E Hillsboro Cc · Structure no. 16185 029 00527

Built
1983
42 years old
Condition
Good
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
189 ft
1 main span
Daily traffic
32,168
2022 count
Owner
State
State Highway Agency

About this bridge

HWY 029 over P&wrr is a prestressed concrete box beam or girders - multiple carrying HWY 029 over P&wrr in Washington 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 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 32,168 vehicles a day, roughly 2% of them trucks, projected to reach 42,700 by 2042. The structure is 189 ft (57.6 m) long and 83 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesHWY 029
CrossesP&wrr
Location052 MI E Hillsboro Cc
RouteState Highway 8
StateOregon
Coordinates45.49147, -122.83714
Functional classUrban Other Principal Arterial

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.
Substructure7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.8 US tons
Inventory rating43.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length189 ft (57.6 m)
Longest span189 ft (57.6 m)
Deck width83 ft (25.3 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,168 (2022)
Projected traffic42,700 by 2042
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY 029 over P&wrr built?

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

What condition is HWY 029 over P&wrr 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 April 2024.

How much traffic does HWY 029 over P&wrr carry?

About 32,168 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is HWY 029 over P&wrr?

The structure is 189 ft (57.6 m) long with a longest span of 189 ft (57.6 m) and a deck 83 ft wide.

Who owns HWY 029 over P&wrr?

It is owned by the State Highway Agency.