US Bridges

Road over Prather Creek

Good

Lane County, Oregon · No Data Entered · Structure no. 061501000001342

Built
1950
75 years old
Condition
Good
inspected October 2024
Type
Slab
Wood or Timber
Length
34 ft
1 main span
Daily traffic
50
2016 count
Owner
Federal
U.S. Forest Service

About this bridge

Road over Prather Creek is a wood or timber slab carrying Road over Prather Creek in Lane County, Oregon. It was built in 1950, so it is 75 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, projected to reach 75 by 2045. The structure is 34 ft (10.4 m) long and 28 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

CarriesRoad
CrossesPrather Creek
LocationNo Data Entered
RouteFederal Lands Road 17000
StateOregon
Coordinates43.70865, -122.76944
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating77.8 US tons
Inventory rating60.4 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span31 ft (9.4 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2016)
Projected traffic75 by 2045
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed620.7 mi (999 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Road over Prather Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is Road over Prather Creek 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 October 2024.

How much traffic does Road over Prather Creek carry?

About 50 vehicles per day (2016 count).

How long is Road over Prather Creek?

The structure is 34 ft (10.4 m) long with a longest span of 31 ft (9.4 m) and a deck 28 ft wide.

Who owns Road over Prather Creek?

It is owned by the U.S. Forest Service.