US Bridges

SH 34 over Uprr;sodas 3rd E.St Op

Fair

Caribou County, Idaho · In Soda SPRINGS;3rd E.St · Structure no. 000000000014035

Built
1978
47 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
79 ft
1 main span
Daily traffic
5,600
2023 count
Owner
State
State Highway Agency

About this bridge

SH 34 over Uprr;sodas 3rd E.St Op is a prestressed concrete stringer/multi-beam or girder carrying SH 34 over Uprr;sodas 3rd E.St Op in Caribou County, Idaho. It was built in 1978, so it is 47 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.

It carries about 5,600 vehicles a day, roughly 8% of them trucks, projected to reach 8,400 by 2042. The structure is 79 ft (24.1 m) long and 79 ft wide.

CarriesSH 34
CrossesUprr;sodas 3rd E.St Op
LocationIn Soda SPRINGS;3rd E.St
RouteState Highway 34
StateIdaho
Coordinates42.65681, -111.59481
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating33 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length79 ft (24.1 m)
Longest span77 ft (23.5 m)
Deck width79 ft (24 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,600 (2023)
Projected traffic8,400 by 2042
Trucks8%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SH 34 over Uprr;sodas 3rd E.St Op built?

It was built in 1978, making it 47 years old in 2025.

What condition is SH 34 over Uprr;sodas 3rd E.St Op 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 October 2024.

How much traffic does SH 34 over Uprr;sodas 3rd E.St Op carry?

About 5,600 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is SH 34 over Uprr;sodas 3rd E.St Op?

The structure is 79 ft (24.1 m) long with a longest span of 77 ft (23.5 m) and a deck 79 ft wide.

Who owns SH 34 over Uprr;sodas 3rd E.St Op?

It is owned by the State Highway Agency.