US Bridges

SH 25; Ridgeway RD over I 84;RIDGEWAY Road Ic

Fair

Jerome County, Idaho · 14.5 W. Burley · Structure no. 000000000013050

Built
1966
59 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
220 ft
5 main spans
Daily traffic
1,000
2023 count
Owner
State
State Highway Agency

About this bridge

SH 25; Ridgeway RD over I 84;RIDGEWAY Road Ic is a prestressed concrete stringer/multi-beam or girder carrying SH 25; Ridgeway RD over I 84;RIDGEWAY Road Ic in Jerome County, Idaho. It was built in 1966, so it is 59 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 1,000 vehicles a day, roughly 11% of them trucks, projected to reach 1,500 by 2042. The structure is 220 ft (67.1 m) long and 33 ft wide.

CarriesSH 25; Ridgeway RD
CrossesI 84;RIDGEWAY Road Ic
Location14.5 W. Burley
RouteState Highway 25
StateIdaho
Coordinates42.57642, -114.06958
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
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 rating61 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length220 ft (67.1 m)
Longest span49 ft (14.9 m)
Deck width33 ft (10 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2023)
Projected traffic1,500 by 2042
Trucks11%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.1 million (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SH 25; Ridgeway RD over I 84;RIDGEWAY Road Ic built?

It was built in 1966, making it 59 years old in 2025.

What condition is SH 25; Ridgeway RD over I 84;RIDGEWAY Road 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; Ridgeway RD over I 84;RIDGEWAY Road Ic carry?

About 1,000 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SH 25; Ridgeway RD over I 84;RIDGEWAY Road Ic?

The structure is 220 ft (67.1 m) long with a longest span of 49 ft (14.9 m) and a deck 33 ft wide.

Who owns SH 25; Ridgeway RD over I 84;RIDGEWAY Road Ic?

It is owned by the State Highway Agency.