US Bridges

Or 273 (hwy 273) over I-5 (hwy 001)

Fair

Jackson County, Oregon · 1.0 MI N of Ca State Line · Structure no. 09312A001F00095

Built
1965
60 years old, rebuilt 1988
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
566 ft
7 main spans
Daily traffic
56
2022 count
Owner
State
State Highway Agency

About this bridge

Or 273 (hwy 273) over I-5 (hwy 001) is a prestressed concrete stringer/multi-beam or girder carrying Or 273 (hwy 273) over I-5 (hwy 001) in Jackson County, Oregon. It was built in 1965 and reconstructed in 1988, so it is 60 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 56 vehicles a day, roughly 12% of them trucks, projected to reach 70 by 2042. The structure is 566 ft (172.5 m) long and 27 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesOr 273 (hwy 273)
CrossesI-5 (hwy 001)
Location1.0 MI N of Ca State Line
RouteState Highway 273
CountyJackson County
StateOregon
Coordinates42.01849, -122.61105
Functional classRural Major 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25.4 US tons
Inventory rating19.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckNot applicable
Main spans7
Design loadHS 20
Structure length566 ft (172.5 m)
Longest span91 ft (27.7 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic56 (2022)
Projected traffic70 by 2042
Trucks12%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Or 273 (hwy 273) over I-5 (hwy 001) built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1988.

What condition is Or 273 (hwy 273) 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 June 2024.

How much traffic does Or 273 (hwy 273) over I-5 (hwy 001) carry?

About 56 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is Or 273 (hwy 273) over I-5 (hwy 001)?

The structure is 566 ft (172.5 m) long with a longest span of 91 ft (27.7 m) and a deck 27 ft wide.

Who owns Or 273 (hwy 273) over I-5 (hwy 001)?

It is owned by the State Highway Agency.