US Bridges

Sagert Road over HWY 1 I-5

Fair

Washington County, Oregon · 0.9 MI S of Tualatin R. · Structure no. 07586A001 28898

Built
1969
56 years old
Condition
Fair
inspected January 2024
Type
Frame
Steel Continuous
Length
317 ft
5 main spans
Daily traffic
5,452
2010 count
Owner
State
State Highway Agency

About this bridge

Sagert Road over HWY 1 I-5 is a steel continuous frame carrying Sagert Road over HWY 1 I-5 in Washington County, Oregon. It was built in 1969, so it is 56 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 5,452 vehicles a day, roughly 17% of them trucks, projected to reach 8,047 by 2030. The structure is 317 ft (96.5 m) long and 38 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesSagert Road
CrossesHWY 1 I-5
Location0.9 MI S of Tualatin R.
RouteCounty Highway 0
CountyWashington County
StateOregon
Coordinates45.37544, -122.75539
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating42.5 US tons

Structure

Structure typeFrame
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length317 ft (96.5 m)
Longest span104 ft (31.7 m)
Deck width38 ft (11.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,452 (2010)
Projected traffic8,047 by 2030
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 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 Sagert Road over HWY 1 I-5 built?

It was built in 1969, making it 56 years old in 2025.

What condition is Sagert Road over HWY 1 I-5 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 Sagert Road over HWY 1 I-5 carry?

About 5,452 vehicles per day (2010 count), of which roughly 17% are trucks.

How long is Sagert Road over HWY 1 I-5?

The structure is 317 ft (96.5 m) long with a longest span of 104 ft (31.7 m) and a deck 38 ft wide.

Who owns Sagert Road over HWY 1 I-5?

It is owned by the State Highway Agency.