US Bridges

Or 205 (hwy 440) over Narrows

Fair

Harney County, Oregon · 22.2 Mi. S. Jct. or 78 · Structure no. 06751A440 02223

Built
1984
41 years old, rebuilt 1985
Condition
Fair
inspected October 2023
Type
Slab
Prestressed Concrete
Length
94 ft
3 main spans
Daily traffic
280
2022 count
Owner
State
State Highway Agency

About this bridge

Or 205 (hwy 440) over Narrows is a prestressed concrete slab carrying Or 205 (hwy 440) over Narrows in Harney County, Oregon. It was built in 1984 and reconstructed in 1985, so it is 41 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 280 vehicles a day, roughly 24% of them trucks, projected to reach 300 by 2042. The structure is 94 ft (28.7 m) long and 32 ft wide. If it were closed, the detour would be 33.6 mi (54 km).

Location

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CarriesOr 205 (hwy 440)
CrossesNarrows
Location22.2 Mi. S. Jct. or 78
RouteState Highway 205
CountyHarney County
StateOregon
Coordinates43.28215, -118.96557
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.3 US tons
Inventory rating34 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20 + Mod
Structure length94 ft (28.7 m)
Longest span31 ft (9.4 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic280 (2022)
Projected traffic300 by 2042
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed33.6 mi (54 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 Or 205 (hwy 440) over Narrows built?

It was built in 1984, making it 41 years old in 2025. It was reconstructed in 1985.

What condition is Or 205 (hwy 440) over Narrows 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 October 2023.

How much traffic does Or 205 (hwy 440) over Narrows carry?

About 280 vehicles per day (2022 count), of which roughly 24% are trucks.

How long is Or 205 (hwy 440) over Narrows?

The structure is 94 ft (28.7 m) long with a longest span of 31 ft (9.4 m) and a deck 32 ft wide.

Who owns Or 205 (hwy 440) over Narrows?

It is owned by the State Highway Agency.