US Bridges

Rammage Meadows RD over Third Fk.Chief Eagle Eye

Poor

Gem County, Idaho · Third Fork Cabin · Structure no. 040206000001138

Built
1963
62 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
40 ft
1 main span
Daily traffic
20
2018 count
Owner
Federal
U.S. Forest Service

About this bridge

Rammage Meadows RD over Third Fk.Chief Eagle Eye is a wood or timber stringer/multi-beam or girder carrying Rammage Meadows RD over Third Fk.Chief Eagle Eye in Gem County, Idaho. It was built in 1963, so it is 62 years old, older than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 2 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 20 vehicles a day, projected to reach 30 by 2045. The structure is 40 ft (12.2 m) long and 16 ft wide. If it were closed, the detour would be 41.6 mi (67 km).

CarriesRammage Meadows RD
CrossesThird Fk.Chief Eagle Eye
LocationThird Fork Cabin
RouteFederal Lands Road 653
StateIdaho
Coordinates44.37514, -116.30179
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Channel and channel protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; failure of piers or abutments is imminent
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry6: Equal to present minimum criteria
Waterway adequacy0: Immediate repair necessary to put back in service
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating37.1 US tons
Inventory rating28.5 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span39 ft (11.9 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2018)
Projected traffic30 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed41.6 mi (67 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 Rammage Meadows RD over Third Fk.Chief Eagle Eye built?

It was built in 1963, making it 62 years old in 2025.

What condition is Rammage Meadows RD over Third Fk.Chief Eagle Eye in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Rammage Meadows RD over Third Fk.Chief Eagle Eye carry?

About 20 vehicles per day (2018 count).

How long is Rammage Meadows RD over Third Fk.Chief Eagle Eye?

The structure is 40 ft (12.2 m) long with a longest span of 39 ft (11.9 m) and a deck 16 ft wide.

Who owns Rammage Meadows RD over Third Fk.Chief Eagle Eye?

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