US Bridges

Fs Road over Lightning Creek

Fair

Grant County, Oregon · No Data Entered · Structure no. 061405000003079

Built
2006
19 years old
Condition
Fair
inspected August 2023
Type
Slab
Wood or Timber
Length
27 ft
1 main span
Daily traffic
5
2019 count
Owner
Federal
U.S. Forest Service

About this bridge

Fs Road over Lightning Creek is a wood or timber slab carrying Fs Road over Lightning Creek in Grant County, Oregon. It was built in 2006, so it is 19 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 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 5 vehicles a day, projected to reach 7 by 2045. The structure is 27 ft (8.3 m) long and 16 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

Location

Open in Google Maps
CarriesFs Road
CrossesLightning Creek
LocationNo Data Entered
RouteFederal Lands Road 13100
CountyGrant County
StateOregon
Coordinates44.76378, -118.49686
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating32.5 US tons
Inventory rating25.4 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length27 ft (8.3 m)
Longest span26 ft (8 m)
Deck width16 ft (5 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2019)
Projected traffic7 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 Fs Road over Lightning Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is Fs Road over Lightning 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 August 2023.

How much traffic does Fs Road over Lightning Creek carry?

About 5 vehicles per day (2019 count).

How long is Fs Road over Lightning Creek?

The structure is 27 ft (8.3 m) long with a longest span of 26 ft (8 m) and a deck 16 ft wide.

Who owns Fs Road over Lightning Creek?

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