US Bridges

16 S 06 W 20.00: over Long Tom River

Good

Lane County, Oregon · 0.1 Miles SW of HWY 36 (m · Structure no. 0000000L1439099

Built
1971
54 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
65 ft
1 main span
Daily traffic
50
2024 count
Owner
Federal
Bureau of Land Management

About this bridge

16 S 06 W 20.00: over Long Tom River is a prestressed concrete stringer/multi-beam or girder carrying 16 S 06 W 20.00: over Long Tom River in Lane County, Oregon. It was built in 1971, so it is 54 years old, older than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 75 by 2044. The structure is 65 ft (19.8 m) long and 16 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Carries16 S 06 W 20.00:
CrossesLong Tom River
Location0.1 Miles SW of HWY 36 (m
RouteFederal Lands Road 0
StateOregon
Coordinates44.1675, -123.44028
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.1 US tons
Inventory rating57.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length65 ft (19.8 m)
Longest span62 ft (18.9 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic75 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Land Management
Maintained byBureau of Land Management
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 16 S 06 W 20.00: over Long Tom River built?

It was built in 1971, making it 54 years old in 2025.

What condition is 16 S 06 W 20.00: over Long Tom River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2024.

How much traffic does 16 S 06 W 20.00: over Long Tom River carry?

About 50 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is 16 S 06 W 20.00: over Long Tom River?

The structure is 65 ft (19.8 m) long with a longest span of 62 ft (18.9 m) and a deck 16 ft wide.

Who owns 16 S 06 W 20.00: over Long Tom River?

It is owned by the Bureau of Land Management.