US Bridges

S3792;UPPR Pleasnt over Deer Flat Canal

FairPosted for load

Canyon County, Idaho · 2.0 S. 2.7 E. Wilder · Structure no. 000000000027061

Built
1989
36 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
48 ft
3 main spans
Daily traffic
370
2023 count
Owner
Local
Other Local Agency

About this bridge

S3792;UPPR Pleasnt over Deer Flat Canal is a wood or timber stringer/multi-beam or girder carrying S3792;UPPR Pleasnt over Deer Flat Canal in Canyon County, Idaho. It was built in 1989, so it is 36 years old, younger 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. Its operating status is: posted for load restriction.

It carries about 370 vehicles a day, roughly 3% of them trucks, projected to reach 555 by 2042. The structure is 48 ft (14.6 m) long and 23 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesS3792;UPPR Pleasnt
CrossesDeer Flat Canal
Location2.0 S. 2.7 E. Wilder
RouteCounty Highway 3792
CountyCanyon County
StateIdaho
Coordinates43.64717, -116.85733
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating25 US tons
Inventory rating19 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 15
Structure length48 ft (14.6 m)
Longest span16 ft (4.8 m)
Deck width23 ft (6.9 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic370 (2023)
Projected traffic555 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther Local Agency
Maintained byOther Local Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$527,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S3792;UPPR Pleasnt over Deer Flat Canal built?

It was built in 1989, making it 36 years old in 2025.

What condition is S3792;UPPR Pleasnt over Deer Flat Canal 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 November 2023.

How much traffic does S3792;UPPR Pleasnt over Deer Flat Canal carry?

About 370 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is S3792;UPPR Pleasnt over Deer Flat Canal?

The structure is 48 ft (14.6 m) long with a longest span of 16 ft (4.8 m) and a deck 23 ft wide.

Who owns S3792;UPPR Pleasnt over Deer Flat Canal?

It is owned by the Other Local Agency.