US Bridges

Road over Steamboat Creek

Fair

Lane County, Oregon · No Data Entered · Structure no. 061506000001497

Built
1960
65 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
142 ft
3 main spans
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

Road over Steamboat Creek is a concrete continuous stringer/multi-beam or girder carrying Road over Steamboat Creek in Lane County, Oregon. It was built in 1960, so it is 65 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 50 vehicles a day, projected to reach 75 by 2045. The structure is 142 ft (43.3 m) long and 17 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

Location

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CarriesRoad
CrossesSteamboat Creek
LocationNo Data Entered
RouteFederal Lands Road 38240
CountyLane County
StateOregon
Coordinates43.47359, -122.59755
Functional classRural Local

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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating41 US tons
Inventory rating28 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length142 ft (43.3 m)
Longest span58 ft (17.7 m)
Deck width17 ft (5.2 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (—)
Projected traffic75 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-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 Steamboat Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Road over Steamboat Creek 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 October 2023.

How much traffic does Road over Steamboat Creek carry?

About 50 vehicles per day (latest count).

How long is Road over Steamboat Creek?

The structure is 142 ft (43.3 m) long with a longest span of 58 ft (17.7 m) and a deck 17 ft wide.

Who owns Road over Steamboat Creek?

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