US Bridges

SH 33 over Trail Creek

Good

Teton County, Idaho · 1.5 E. Victor · Structure no. 000000000013971

Built
2010
15 years old
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
48 ft
1 main span
Daily traffic
7,500
2023 count
Owner
State
State Highway Agency

About this bridge

SH 33 over Trail Creek is a prestressed concrete box beam or girders - multiple carrying SH 33 over Trail Creek in Teton County, Idaho. It was built in 2010, so it is 15 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 7,500 vehicles a day, roughly 4% of them trucks, projected to reach 11,250 by 2042. The structure is 48 ft (14.6 m) long and 52 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesSH 33
CrossesTrail Creek
Location1.5 E. Victor
RouteState Highway 33
CountyTeton County
StateIdaho
Coordinates43.58636, -111.09608
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81 US tons
Inventory rating40 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length48 ft (14.6 m)
Longest span45 ft (13.7 m)
Deck width52 ft (15.9 m)
Roadway width49 ft (15 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,500 (2023)
Projected traffic11,250 by 2042
Trucks4%
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$797,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 33 over Trail Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is SH 33 over Trail 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 SH 33 over Trail Creek carry?

About 7,500 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is SH 33 over Trail Creek?

The structure is 48 ft (14.6 m) long with a longest span of 45 ft (13.7 m) and a deck 52 ft wide.

Who owns SH 33 over Trail Creek?

It is owned by the State Highway Agency.