US Bridges

SH 33 over Canyon Creek

Good

Madison County, Idaho · 8.8 E. Newdale · Structure no. 000000000013946

Built
2006
19 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
380 ft
3 main spans
Daily traffic
3,500
2023 count
Owner
State
State Highway Agency

About this bridge

SH 33 over Canyon Creek is a steel continuous stringer/multi-beam or girder carrying SH 33 over Canyon Creek in Madison County, Idaho. It was built in 2006, so it is 19 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.

It carries about 3,500 vehicles a day, roughly 8% of them trucks, projected to reach 5,250 by 2042. The structure is 380 ft (115.8 m) long and 42 ft wide. If it were closed, the detour would be 78.9 mi (127 km).

CarriesSH 33
CrossesCanyon Creek
Location8.8 E. Newdale
RouteState Highway 33
StateIdaho
Coordinates43.848, -111.44756
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating42 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length380 ft (115.8 m)
Longest span212 ft (64.6 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,500 (2023)
Projected traffic5,250 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed78.9 mi (127 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 33 over Canyon Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is SH 33 over Canyon 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 2024.

How much traffic does SH 33 over Canyon Creek carry?

About 3,500 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is SH 33 over Canyon Creek?

The structure is 380 ft (115.8 m) long with a longest span of 212 ft (64.6 m) and a deck 42 ft wide.

Who owns SH 33 over Canyon Creek?

It is owned by the State Highway Agency.