US Bridges

No Data Entered over Hells Canyon Creek

Good

Jefferson County, Montana · Upper End of Hells Canyon · Structure no. 010907000001050

Built
1998
27 years old
Condition
Good
inspected September 2024
Type
Other
Wood or Timber
Length
23 ft
1 main span
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

No Data Entered over Hells Canyon Creek is a wood or timber other carrying No Data Entered over Hells Canyon Creek in Jefferson County, Montana. It was built in 1998, so it is 27 years old, younger than the Montana average of 47 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 23 ft (7 m) long and 14 ft wide.

CarriesNo Data Entered
CrossesHells Canyon Creek
LocationUpper End of Hells Canyon
RouteFederal Lands Road 9311
StateMontana
Coordinates45.69961, -112.43289
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 protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating63.2 US tons
Inventory rating48.9 US tons

Structure

Structure typeOther
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadH 20
Structure length23 ft (7 m)
Longest span22 ft (6.7 m)
Deck width14 ft (4.4 m)
Roadway width14 ft (4.4 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 closed—
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 No Data Entered over Hells Canyon Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is No Data Entered over Hells Canyon 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 September 2024.

How much traffic does No Data Entered over Hells Canyon Creek carry?

About 50 vehicles per day (latest count).

How long is No Data Entered over Hells Canyon Creek?

The structure is 23 ft (7 m) long with a longest span of 22 ft (6.7 m) and a deck 14 ft wide.

Who owns No Data Entered over Hells Canyon Creek?

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