US Bridges

Archie Ck. Road over South Fork Payette River

Fair

Boise County, Idaho · 5 MI East of Lowman Idaho · Structure no. 040205000001099

Built
1962
63 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
159 ft
3 main spans
Daily traffic
40
1990 count
Owner
Federal
U.S. Forest Service

About this bridge

Archie Ck. Road over South Fork Payette River is a steel continuous stringer/multi-beam or girder carrying Archie Ck. Road over South Fork Payette River in Boise County, Idaho. It was built in 1962, so it is 63 years old, older than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 40 vehicles a day, projected to reach 50 by 2000. The structure is 159 ft (48.5 m) long and 15 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

Location

Open in Google Maps
CarriesArchie Ck. Road
CrossesSouth Fork Payette River
Location5 MI East of Lowman Idaho
RouteFederal Lands Road 542
CountyBoise County
StateIdaho
Coordinates44.072, -115.517
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.9 US tons
Inventory rating22.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckWood or timber
Main spans3
Design loadHS 20
Structure length159 ft (48.5 m)
Longest span66 ft (20.1 m)
Deck width15 ft (4.7 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (1990)
Projected traffic50 by 2000
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$152,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Archie Ck. Road over South Fork Payette River built?

It was built in 1962, making it 63 years old in 2025.

What condition is Archie Ck. Road over South Fork Payette River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2023.

How much traffic does Archie Ck. Road over South Fork Payette River carry?

About 40 vehicles per day (1990 count).

How long is Archie Ck. Road over South Fork Payette River?

The structure is 159 ft (48.5 m) long with a longest span of 66 ft (20.1 m) and a deck 15 ft wide.

Who owns Archie Ck. Road over South Fork Payette River?

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