US Bridges

I 184B Ebl & Wbl over S7073;CANAL;COLE RD

Fair

Ada County, Idaho · 0.7 W. Boise Wcl · Structure no. 000000000018966

Built
2001
24 years old
Condition
Fair
inspected April 2021
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
237 ft
3 main spans
Daily traffic
76,500
2023 count
Owner
State
State Highway Agency

About this bridge

I 184B Ebl & Wbl over S7073;CANAL;COLE RD is a steel continuous stringer/multi-beam or girder carrying I 184B Ebl & Wbl over S7073;CANAL;COLE RD in Ada County, Idaho. It was built in 2001, so it is 24 years old, younger 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 76,500 vehicles a day, roughly 5% of them trucks, projected to reach 114,750 by 2042. The structure is 237 ft (72.2 m) long and 114 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI 184B Ebl & Wbl
CrossesS7073;CANAL;COLE RD
Location0.7 W. Boise Wcl
RouteInterstate 184
CountyAda County
StateIdaho
Coordinates43.60722, -116.27459
Functional classUrban Principal Arterial - Interstate

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80 US tons
Inventory rating48 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length237 ft (72.2 m)
Longest span110 ft (33.5 m)
Deck width114 ft (34.7 m)
Roadway width109 ft (33.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic76,500 (2023)
Projected traffic114,750 by 2042
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed1.2 mi (2 km)
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I 184B Ebl & Wbl over S7073;CANAL;COLE RD built?

It was built in 2001, making it 24 years old in 2025.

What condition is I 184B Ebl & Wbl over S7073;CANAL;COLE RD 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 2021.

How much traffic does I 184B Ebl & Wbl over S7073;CANAL;COLE RD carry?

About 76,500 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is I 184B Ebl & Wbl over S7073;CANAL;COLE RD?

The structure is 237 ft (72.2 m) long with a longest span of 110 ft (33.5 m) and a deck 114 ft wide.

Who owns I 184B Ebl & Wbl over S7073;CANAL;COLE RD?

It is owned by the State Highway Agency.