US Bridges

US 30 over UPRR Bliss Railroad Op

Good

Gooding County, Idaho · 1.3 W. Bliss · Structure no. 000000000013546

Built
2020
5 years old
Condition
Good
inspected April 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
234 ft
2 main spans
Daily traffic
1,400
2023 count
Owner
State
State Highway Agency

About this bridge

US 30 over UPRR Bliss Railroad Op is a prestressed concrete stringer/multi-beam or girder carrying US 30 over UPRR Bliss Railroad Op in Gooding County, Idaho. It was built in 2020, so it is 5 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 1,400 vehicles a day, roughly 14% of them trucks, projected to reach 2,100 by 2042. The structure is 234 ft (71.3 m) long and 42 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesUS 30
CrossesUPRR Bliss Railroad Op
Location1.3 W. Bliss
RouteU.S. Route 30
StateIdaho
Coordinates42.92681, -114.97171
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.
Last inspectionApril 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating47.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length234 ft (71.3 m)
Longest span119 ft (36.4 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2023)
Projected traffic2,100 by 2042
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed5 mi (8 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 30 over UPRR Bliss Railroad Op built?

It was built in 2020, making it 5 years old in 2025.

What condition is US 30 over UPRR Bliss Railroad Op 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 2022.

How much traffic does US 30 over UPRR Bliss Railroad Op carry?

About 1,400 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is US 30 over UPRR Bliss Railroad Op?

The structure is 234 ft (71.3 m) long with a longest span of 119 ft (36.4 m) and a deck 42 ft wide.

Who owns US 30 over UPRR Bliss Railroad Op?

It is owned by the State Highway Agency.