US Bridges

1920: Darling Cree over West Fork Morgan Creek

GoodPosted for load

Custer County, Idaho · 6.5 MI NW of US93 · Structure no. 000000000L59859

Built
1995
30 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
25
2011 count
Owner
Federal
Bureau of Land Management

About this bridge

1920: Darling Cree over West Fork Morgan Creek is a steel stringer/multi-beam or girder carrying 1920: Darling Cree over West Fork Morgan Creek in Custer County, Idaho. It was built in 1995, so it is 30 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 25 vehicles a day, roughly 10% of them trucks, projected to reach 35 by 2040. The structure is 41 ft (12.4 m) long and 14 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Carries1920: Darling Cree
CrossesWest Fork Morgan Creek
Location6.5 MI NW of US93
RouteFederal Lands Road 0
StateIdaho
Coordinates44.68111, -114.24639
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating38.3 US tons
Inventory rating29.7 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length41 ft (12.4 m)
Longest span39 ft (11.9 m)
Deck width14 ft (4.3 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2011)
Projected traffic35 by 2040
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Land Management
Maintained byBureau of Land Management
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 1920: Darling Cree over West Fork Morgan Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is 1920: Darling Cree over West Fork Morgan 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 July 2023.

How much traffic does 1920: Darling Cree over West Fork Morgan Creek carry?

About 25 vehicles per day (2011 count), of which roughly 10% are trucks.

How long is 1920: Darling Cree over West Fork Morgan Creek?

The structure is 41 ft (12.4 m) long with a longest span of 39 ft (11.9 m) and a deck 14 ft wide.

Who owns 1920: Darling Cree over West Fork Morgan Creek?

It is owned by the Bureau of Land Management.