US Bridges

Baseline RD over Trail Creek

Good

Teton County, Idaho · 1.0 S. 0.5 E. Victor · Structure no. 000000000033091

Built
2003
22 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
20
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Baseline RD over Trail Creek is a prestressed concrete stringer/multi-beam or girder carrying Baseline RD over Trail Creek in Teton County, Idaho. It was built in 2003, so it is 22 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 20 vehicles a day, roughly 5% of them trucks, projected to reach 30 by 2039. The structure is 30 ft (9.2 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBaseline RD
CrossesTrail Creek
Location1.0 S. 0.5 E. Victor
RouteCity Street 0
StateIdaho
Coordinates43.5885, -111.10131
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating52 US tons
Inventory rating31 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length30 ft (9.2 m)
Longest span28 ft (8.5 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2023)
Projected traffic30 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Baseline RD over Trail Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is Baseline RD 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 April 2024.

How much traffic does Baseline RD over Trail Creek carry?

About 20 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Baseline RD over Trail Creek?

The structure is 30 ft (9.2 m) long with a longest span of 28 ft (8.5 m) and a deck 32 ft wide.

Who owns Baseline RD over Trail Creek?

It is owned by the City or Municipal Highway Agency.