US Bridges

SH 81B Spur over I 84;MALTA-YALE RD Ic

Fair

Cassia County, Idaho · 19.9 E. Burley · Structure no. 000000000016625

Built
1963
62 years old
Condition
Fair
inspected May 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
220 ft
5 main spans
Daily traffic
1,600
2023 count
Owner
State
State Highway Agency

About this bridge

SH 81B Spur over I 84;MALTA-YALE RD Ic is a prestressed concrete stringer/multi-beam or girder carrying SH 81B Spur over I 84;MALTA-YALE RD Ic in Cassia County, Idaho. It was built in 1963, so it is 62 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 1,600 vehicles a day, roughly 5% of them trucks, projected to reach 2,400 by 2042. The structure is 220 ft (67.1 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSH 81B Spur
CrossesI 84;MALTA-YALE RD Ic
Location19.9 E. Burley
RouteState Highway 81
CountyCassia County
StateIdaho
Coordinates42.51539, -113.42258
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 inspectionMay 2021
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 rating75.9 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 length220 ft (67.1 m)
Longest span49 ft (14.9 m)
Deck width33 ft (10 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2023)
Projected traffic2,400 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.9 mi (3 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 SH 81B Spur over I 84;MALTA-YALE RD Ic built?

It was built in 1963, making it 62 years old in 2025.

What condition is SH 81B Spur over I 84;MALTA-YALE RD 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 May 2021.

How much traffic does SH 81B Spur over I 84;MALTA-YALE RD Ic carry?

About 1,600 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is SH 81B Spur over I 84;MALTA-YALE RD 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 81B Spur over I 84;MALTA-YALE RD Ic?

It is owned by the State Highway Agency.