US Bridges

Fdr 662 over Hughes Fork

Good

Bonner County, Idaho · No Data Entered · Structure no. 010408000018764

Built
2016
9 years old
Condition
Good
inspected July 2024
Type
Tee Beam
Prestressed Concrete
Length
82 ft
1 main span
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

Fdr 662 over Hughes Fork is a prestressed concrete tee beam carrying Fdr 662 over Hughes Fork in Bonner County, Idaho. It was built in 2016, so it is 9 years old, younger than the Idaho average of 45.3 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 82 ft (25 m) long and 22 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

CarriesFdr 662
CrossesHughes Fork
LocationNo Data Entered
RouteFederal Lands Road 662
StateIdaho
Coordinates48.82936, -116.9822
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating45.7 US tons
Inventory rating35.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length82 ft (25 m)
Longest span80 ft (24.4 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 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 Fdr 662 over Hughes Fork built?

It was built in 2016, making it 9 years old in 2025.

What condition is Fdr 662 over Hughes Fork 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 July 2024.

How much traffic does Fdr 662 over Hughes Fork carry?

About 50 vehicles per day (latest count).

How long is Fdr 662 over Hughes Fork?

The structure is 82 ft (25 m) long with a longest span of 80 ft (24.4 m) and a deck 22 ft wide.

Who owns Fdr 662 over Hughes Fork?

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