US Bridges

HWY 380 over Flood Control Channel

Fair

Crook County, Oregon · East Portland · Structure no. 18716 380 00137

Built
1987
38 years old
Condition
Fair
inspected November 2024
Type
Culvert
Steel
Length
27 ft
3 main spans
Daily traffic
863
2022 count
Owner
State
State Highway Agency

About this bridge

HWY 380 over Flood Control Channel is a steel culvert carrying HWY 380 over Flood Control Channel in Crook County, Oregon. It was built in 1987, so it is 38 years old, younger 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 5 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 863 vehicles a day, roughly 29% of them trucks, projected to reach 1,300 by 2042. The structure is 27 ft (8.2 m) long and 28 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesHWY 380
CrossesFlood Control Channel
LocationEast Portland
RouteState Highway 380
CountyCrook County
StateOregon
Coordinates44.28737, -120.81666
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.6 US tons
Inventory rating29.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 25 or greater
Structure length27 ft (8.2 m)
Longest span7 ft (2.1 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic863 (2022)
Projected traffic1,300 by 2042
Trucks29%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was HWY 380 over Flood Control Channel built?

It was built in 1987, making it 38 years old in 2025.

What condition is HWY 380 over Flood Control Channel 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 November 2024.

How much traffic does HWY 380 over Flood Control Channel carry?

About 863 vehicles per day (2022 count), of which roughly 29% are trucks.

How long is HWY 380 over Flood Control Channel?

The structure is 27 ft (8.2 m) long with a longest span of 7 ft (2.1 m) and a deck 28 ft wide.

Who owns HWY 380 over Flood Control Channel?

It is owned by the State Highway Agency.