US Bridges

Usfs Road over Granite Boulder Creek #2

Good

Grant County, Oregon · No Data Entered · Structure no. 060400000015310

Built
2009
16 years old
Condition
Good
inspected September 2022
Type
Culvert
Steel
Length
28 ft
1 main span
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

Usfs Road over Granite Boulder Creek #2 is a steel culvert carrying Usfs Road over Granite Boulder Creek #2 in Grant County, Oregon. It was built in 2009, so it is 16 years old, younger 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 8 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 28 ft (8.4 m) long. If it were closed, the detour would be 620.7 mi (999 km).

CarriesUsfs Road
CrossesGranite Boulder Creek #2
LocationNo Data Entered
RouteFederal Lands Road 45500
StateOregon
Coordinates44.65593, -118.64773
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadUnknown
Structure length28 ft (8.4 m)
Longest span26 ft (7.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 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 Usfs Road over Granite Boulder Creek #2 built?

It was built in 2009, making it 16 years old in 2025.

What condition is Usfs Road over Granite Boulder Creek #2 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 September 2022.

How much traffic does Usfs Road over Granite Boulder Creek #2 carry?

About 50 vehicles per day (latest count).

How long is Usfs Road over Granite Boulder Creek #2?

The structure is 28 ft (8.4 m) long with a longest span of 26 ft (7.9 m).

Who owns Usfs Road over Granite Boulder Creek #2?

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