US Bridges

Bonita Road over I-5 (hwy 001)

Fair

Clackamas County, Oregon · 1.9 MI N of Tualatin Rv · Structure no. 07727A001 29181

Built
1975
50 years old
Condition
Fair
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
228 ft
2 main spans
Daily traffic
88,870
2020 count
Owner
State
State Highway Agency

About this bridge

Bonita Road over I-5 (hwy 001) is a prestressed concrete continuous box beam or girders - multiple carrying Bonita Road over I-5 (hwy 001) in Clackamas County, Oregon. It was built in 1975, so it is 50 years old, older 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 88,870 vehicles a day, roughly 11% of them trucks, projected to reach 131,300 by 2040. The structure is 228 ft (69.6 m) long and 63 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesBonita Road
CrossesI-5 (hwy 001)
Location1.9 MI N of Tualatin Rv
RouteCounty Highway 0
CountyClackamas County
StateOregon
Coordinates45.41533, -122.74403
Functional classUrban 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.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating33.2 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length228 ft (69.6 m)
Longest span118 ft (36.1 m)
Deck width63 ft (19.2 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic88,870 (2020)
Projected traffic131,300 by 2040
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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 Bonita Road over I-5 (hwy 001) built?

It was built in 1975, making it 50 years old in 2025.

What condition is Bonita Road over I-5 (hwy 001) 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 January 2024.

How much traffic does Bonita Road over I-5 (hwy 001) carry?

About 88,870 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is Bonita Road over I-5 (hwy 001)?

The structure is 228 ft (69.6 m) long with a longest span of 118 ft (36.1 m) and a deck 63 ft wide.

Who owns Bonita Road over I-5 (hwy 001)?

It is owned by the State Highway Agency.