US Bridges

I-5 (hwy 001) SB over S Umpqua R Corp CO RD

Fair

Douglas County, Oregon · 114 MI S of Roseburg Scl · Structure no. 07841A001 11257

Built
1965
60 years old, rebuilt 1983
Condition
Fair
inspected September 2024
Type
Truss - Deck
Steel
Length
884 ft
1 main span
Daily traffic
13,457
2022 count
Owner
State
State Highway Agency

About this bridge

I-5 (hwy 001) SB over S Umpqua R Corp CO RD is a steel truss - deck carrying I-5 (hwy 001) SB over S Umpqua R Corp CO RD in Douglas County, Oregon. It was built in 1965 and reconstructed in 1983, 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 13,457 vehicles a day, roughly 27% of them trucks, projected to reach 14,100 by 2042. The structure is 884 ft (269.4 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-5 (hwy 001) SB
CrossesS Umpqua R Corp CO RD
Location114 MI S of Roseburg Scl
RouteInterstate 5
CountyDouglas County
StateOregon
Coordinates43.06405, -123.3485
Functional classRural Principal Arterial - Interstate

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25.7 US tons
Inventory rating19.6 US tons

Structure

Structure typeTruss - Deck
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+8 approach)
Design loadHS 20
Structure length884 ft (269.4 m)
Longest span277 ft (84.4 m)
Deck width36 ft (11 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,457 (2022)
Projected traffic14,100 by 2042
Trucks27%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$5.3 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I-5 (hwy 001) SB over S Umpqua R Corp CO RD built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1983.

What condition is I-5 (hwy 001) SB over S Umpqua R Corp CO RD 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 September 2024.

How much traffic does I-5 (hwy 001) SB over S Umpqua R Corp CO RD carry?

About 13,457 vehicles per day (2022 count), of which roughly 27% are trucks.

How long is I-5 (hwy 001) SB over S Umpqua R Corp CO RD?

The structure is 884 ft (269.4 m) long with a longest span of 277 ft (84.4 m) and a deck 36 ft wide.

Who owns I-5 (hwy 001) SB over S Umpqua R Corp CO RD?

It is owned by the State Highway Agency.