US Bridges

SH 44 over I 84 Eb-Wb;middleton Ic

Fair

Canyon County, Idaho · 1.9 W. Caldwell · Structure no. 000000000014260

Built
1964
61 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
232 ft
5 main spans
Daily traffic
33,500
2023 count
Owner
State
State Highway Agency

About this bridge

SH 44 over I 84 Eb-Wb;middleton Ic is a steel stringer/multi-beam or girder carrying SH 44 over I 84 Eb-Wb;middleton Ic in Canyon County, Idaho. It was built in 1964, so it is 61 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 33,500 vehicles a day, roughly 3% of them trucks, projected to reach 50,250 by 2042. The structure is 232 ft (70.7 m) long and 33 ft wide.

Location

Open in Google Maps
CarriesSH 44
CrossesI 84 Eb-Wb;middleton Ic
Location1.9 W. Caldwell
RouteState Highway 44
CountyCanyon County
StateIdaho
Coordinates43.70589, -116.69981
Functional classUrban Other Principal Arterial

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 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating37 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length232 ft (70.7 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 traffic33,500 (2023)
Projected traffic50,250 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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$4 million (2019 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SH 44 over I 84 Eb-Wb;middleton Ic built?

It was built in 1964, making it 61 years old in 2025.

What condition is SH 44 over I 84 Eb-Wb;middleton 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 2023.

How much traffic does SH 44 over I 84 Eb-Wb;middleton Ic carry?

About 33,500 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is SH 44 over I 84 Eb-Wb;middleton Ic?

The structure is 232 ft (70.7 m) long with a longest span of 49 ft (14.9 m) and a deck 33 ft wide.

Who owns SH 44 over I 84 Eb-Wb;middleton Ic?

It is owned by the State Highway Agency.