US Bridges

I-5 (hwy 001) over I-5 @ Mclain RD

Fair

Douglas County, Oregon · 02.3 MI S of Roseburg Scl · Structure no. 21087 001 12169

Built
2009
16 years old
Condition
Fair
inspected February 2023
Type
Slab
Prestressed Concrete
Length
110 ft
3 main spans
Daily traffic
41,701
2022 count
Owner
State
State Highway Agency

About this bridge

I-5 (hwy 001) over I-5 @ Mclain RD is a prestressed concrete slab carrying I-5 (hwy 001) over I-5 @ Mclain RD in Douglas County, Oregon. It was built in 2009, so it is 16 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 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 41,701 vehicles a day, roughly 20% of them trucks, projected to reach 46,700 by 2042. The structure is 110 ft (33.5 m) long and 112 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesI-5 (hwy 001)
CrossesI-5 @ Mclain RD
Location02.3 MI S of Roseburg Scl
RouteInterstate 5
CountyDouglas County
StateOregon
Coordinates43.18332, -123.3741
Functional classUrban 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.3 US tons
Inventory rating34.3 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length110 ft (33.5 m)
Longest span42 ft (12.8 m)
Deck width112 ft (34.2 m)
Roadway width101 ft (30.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41,701 (2022)
Projected traffic46,700 by 2042
Trucks20%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-5 (hwy 001) over I-5 @ Mclain RD built?

It was built in 2009, making it 16 years old in 2025.

What condition is I-5 (hwy 001) over I-5 @ Mclain 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 February 2023.

How much traffic does I-5 (hwy 001) over I-5 @ Mclain RD carry?

About 41,701 vehicles per day (2022 count), of which roughly 20% are trucks.

How long is I-5 (hwy 001) over I-5 @ Mclain RD?

The structure is 110 ft (33.5 m) long with a longest span of 42 ft (12.8 m) and a deck 112 ft wide.

Who owns I-5 (hwy 001) over I-5 @ Mclain RD?

It is owned by the State Highway Agency.