US Bridges

STC3841;WEITZ RD over West End Drain

FairPosted for load

Canyon County, Idaho · 0.2 N. 3.8 W. Caldwell · Structure no. 000000000027335

Built
1962
63 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
41 ft
1 main span
Daily traffic
650
2023 count
Owner
Local
Other Local Agency

About this bridge

STC3841;WEITZ RD over West End Drain is a concrete stringer/multi-beam or girder carrying STC3841;WEITZ RD over West End Drain in Canyon 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 6 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 650 vehicles a day, roughly 8% of them trucks, projected to reach 975 by 2042. The structure is 41 ft (12.5 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSTC3841;WEITZ RD
CrossesWest End Drain
Location0.2 N. 3.8 W. Caldwell
RouteCounty Highway 3841
CountyCanyon County
StateIdaho
Coordinates43.66439, -116.76283
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26 US tons
Inventory rating16 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 15
Structure length41 ft (12.5 m)
Longest span40 ft (12.2 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic650 (2023)
Projected traffic975 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$539,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was STC3841;WEITZ RD over West End Drain built?

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

What condition is STC3841;WEITZ RD over West End Drain 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 STC3841;WEITZ RD over West End Drain carry?

About 650 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is STC3841;WEITZ RD over West End Drain?

The structure is 41 ft (12.5 m) long with a longest span of 40 ft (12.2 m) and a deck 27 ft wide.

Who owns STC3841;WEITZ RD over West End Drain?

It is owned by the Other Local Agency.