US Bridges

S. Florida over Phyllis Canal

Fair

Canyon County, Idaho · 4.2 S. 1.2 E. Caldwell · Structure no. 000000000027546

Built
2001
24 years old
Condition
Fair
inspected March 2023
Type
Frame
Concrete
Length
26 ft
1 main span
Daily traffic
2,800
2023 count
Owner
Local
Other Local Agency

About this bridge

S. Florida over Phyllis Canal is a concrete frame carrying S. Florida over Phyllis Canal in Canyon 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 2,800 vehicles a day, projected to reach 4,200 by 2042. The structure is 26 ft (7.9 m) long and 76 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesS. Florida
CrossesPhyllis Canal
Location4.2 S. 1.2 E. Caldwell
RouteCounty Highway 0
CountyCanyon County
StateIdaho
Coordinates43.60361, -116.66297
Functional classUrban 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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating103.9 US tons
Inventory rating61.9 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length26 ft (7.9 m)
Longest span26 ft (7.8 m)
Deck width76 ft (23.2 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,800 (2023)
Projected traffic4,200 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther Local Agency
Maintained byOther Local 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 S. Florida over Phyllis Canal built?

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

What condition is S. Florida over Phyllis Canal 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 S. Florida over Phyllis Canal carry?

About 2,800 vehicles per day (2023 count).

How long is S. Florida over Phyllis Canal?

The structure is 26 ft (7.9 m) long with a longest span of 26 ft (7.8 m) and a deck 76 ft wide.

Who owns S. Florida over Phyllis Canal?

It is owned by the Other Local Agency.