US Bridges

SH 25 over I 84;RUPERT-DECLO Ic

Fair

Cassia County, Idaho · 8.4 E. Burley · Structure no. 000000000013090

Built
1960
65 years old, rebuilt 1982
Condition
Fair
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
212 ft
5 main spans
Daily traffic
3,200
2023 count
Owner
State
State Highway Agency

About this bridge

SH 25 over I 84;RUPERT-DECLO Ic is a prestressed concrete box beam or girders - multiple carrying SH 25 over I 84;RUPERT-DECLO Ic in Cassia County, Idaho. It was built in 1960 and reconstructed in 1982, so it is 65 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 5 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 3,200 vehicles a day, roughly 10% of them trucks, projected to reach 4,800 by 2042. The structure is 212 ft (64.6 m) long and 35 ft wide.

Location

Open in Google Maps
CarriesSH 25
CrossesI 84;RUPERT-DECLO Ic
Location8.4 E. Burley
RouteState Highway 25
CountyCassia County
StateIdaho
Coordinates42.56911, -113.62372
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.9 US tons
Inventory rating43 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans5
Design loadHS 25 or greater
Structure length212 ft (64.6 m)
Longest span50 ft (15.2 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,200 (2023)
Projected traffic4,800 by 2042
Trucks10%
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 SH 25 over I 84;RUPERT-DECLO Ic built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1982.

What condition is SH 25 over I 84;RUPERT-DECLO Ic 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 March 2024.

How much traffic does SH 25 over I 84;RUPERT-DECLO Ic carry?

About 3,200 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is SH 25 over I 84;RUPERT-DECLO Ic?

The structure is 212 ft (64.6 m) long with a longest span of 50 ft (15.2 m) and a deck 35 ft wide.

Who owns SH 25 over I 84;RUPERT-DECLO Ic?

It is owned by the State Highway Agency.