US Bridges

Idahome Road over I 84 Eb-Wb;idahome RD Gs

Fair

Cassia County, Idaho · 8.2 W. Sublett · Structure no. 000000000024250

Built
1967
58 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
312 ft
5 main spans
Daily traffic
1,700
2023 count
Owner
State
State Highway Agency

About this bridge

Idahome Road over I 84 Eb-Wb;idahome RD Gs is a prestressed concrete stringer/multi-beam or girder carrying Idahome Road over I 84 Eb-Wb;idahome RD Gs in Cassia County, Idaho. It was built in 1967, so it is 58 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 1,700 vehicles a day, roughly 1% of them trucks, projected to reach 2,550 by 2042. The structure is 312 ft (95.1 m) long and 33 ft wide.

Location

Open in Google Maps
CarriesIdahome Road
CrossesI 84 Eb-Wb;idahome RD Gs
Location8.2 W. Sublett
RouteCounty Highway 0
CountyCassia County
StateIdaho
Coordinates42.4155, -113.32014
Functional classRural Minor 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating42 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length312 ft (95.1 m)
Longest span69 ft (21 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,700 (2023)
Projected traffic2,550 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
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 Idahome Road over I 84 Eb-Wb;idahome RD Gs built?

It was built in 1967, making it 58 years old in 2025.

What condition is Idahome Road over I 84 Eb-Wb;idahome RD Gs 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 April 2023.

How much traffic does Idahome Road over I 84 Eb-Wb;idahome RD Gs carry?

About 1,700 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Idahome Road over I 84 Eb-Wb;idahome RD Gs?

The structure is 312 ft (95.1 m) long with a longest span of 69 ft (21 m) and a deck 33 ft wide.

Who owns Idahome Road over I 84 Eb-Wb;idahome RD Gs?

It is owned by the State Highway Agency.