US Bridges

Or 138 (hwy 138) over Little River

Fair

Douglas County, Oregon · 16.2 MI E of HWY 99 · Structure no. 01623 073 01623

Built
1976
49 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
246 ft
3 main spans
Daily traffic
4,349
2022 count
Owner
State
State Highway Agency

About this bridge

Or 138 (hwy 138) over Little River is a prestressed concrete continuous stringer/multi-beam or girder carrying Or 138 (hwy 138) over Little River in Douglas County, Oregon. It was built in 1976, so it is 49 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 4,349 vehicles a day, roughly 20% of them trucks, projected to reach 4,400 by 2042. The structure is 246 ft (75 m) long and 63 ft wide. If it were closed, the detour would be 80.8 mi (130 km).

Location

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CarriesOr 138 (hwy 138)
CrossesLittle River
Location16.2 MI E of HWY 99
RouteU.S. Route 138
CountyDouglas County
StateOregon
Coordinates43.29722, -123.10118
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionJuly 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 geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.2 US tons
Inventory rating25.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length246 ft (75 m)
Longest span88 ft (26.8 m)
Deck width63 ft (19.2 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,349 (2022)
Projected traffic4,400 by 2042
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed80.8 mi (130 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 138 (hwy 138) over Little River built?

It was built in 1976, making it 49 years old in 2025.

What condition is Or 138 (hwy 138) over Little River 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 July 2024.

How much traffic does Or 138 (hwy 138) over Little River carry?

About 4,349 vehicles per day (2022 count), of which roughly 20% are trucks.

How long is Or 138 (hwy 138) over Little River?

The structure is 246 ft (75 m) long with a longest span of 88 ft (26.8 m) and a deck 63 ft wide.

Who owns Or 138 (hwy 138) over Little River?

It is owned by the State Highway Agency.