US Bridges

Old Scenic HWY 101 over Salmon River

Fair

Lincoln County, Oregon · 003 MI North Otis Jctn · Structure no. 961A 13001 028

Built
1947
78 years old
Condition
Fair
inspected September 2024
Type
Girder and Floorbeam System
Steel
Length
264 ft
3 main spans
Daily traffic
1,929
2020 count
Owner
County
County Highway Agency

About this bridge

Old Scenic HWY 101 over Salmon River is a steel girder and floorbeam system carrying Old Scenic HWY 101 over Salmon River in Lincoln County, Oregon. It was built in 1947, so it is 78 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 1,929 vehicles a day, roughly 10% of them trucks, projected to reach 2,732 by 2040. The structure is 264 ft (80.5 m) long and 35 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesOld Scenic HWY 101
CrossesSalmon River
Location003 MI North Otis Jctn
RouteCounty Highway 0
StateOregon
Coordinates45.02316, -123.94651
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.2 US tons
Inventory rating21.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length264 ft (80.5 m)
Longest span100 ft (30.5 m)
Deck width35 ft (10.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,929 (2020)
Projected traffic2,732 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Old Scenic HWY 101 over Salmon River built?

It was built in 1947, making it 78 years old in 2025.

What condition is Old Scenic HWY 101 over Salmon 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 September 2024.

How much traffic does Old Scenic HWY 101 over Salmon River carry?

About 1,929 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Old Scenic HWY 101 over Salmon River?

The structure is 264 ft (80.5 m) long with a longest span of 100 ft (30.5 m) and a deck 35 ft wide.

Who owns Old Scenic HWY 101 over Salmon River?

It is owned by the County Highway Agency.