US Bridges

SH 44 over Canyon Creek

Fair

Canyon County, Idaho · 1.6 E. Middleton · Structure no. 000000000014275

Built
1956
69 years old
Condition
Fair
inspected February 2024
Type
Frame
Concrete
Length
27 ft
1 main span
Daily traffic
32,000
2023 count
Owner
State
State Highway Agency

About this bridge

SH 44 over Canyon Creek is a concrete frame carrying SH 44 over Canyon Creek in Canyon County, Idaho. It was built in 1956, so it is 69 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 32,000 vehicles a day, roughly 3% of them trucks, projected to reach 48,000 by 2042. The structure is 27 ft (8.1 m) long and 57 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSH 44
CrossesCanyon Creek
Location1.6 E. Middleton
RouteState Highway 44
StateIdaho
Coordinates43.70389, -116.5875
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating69 US tons
Inventory rating41 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 15
Structure length27 ft (8.1 m)
Longest span24 ft (7.3 m)
Deck width57 ft (17.4 m)
Roadway width55 ft (16.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,000 (2023)
Projected traffic48,000 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 SH 44 over Canyon Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is SH 44 over Canyon Creek 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 February 2024.

How much traffic does SH 44 over Canyon Creek carry?

About 32,000 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is SH 44 over Canyon Creek?

The structure is 27 ft (8.1 m) long with a longest span of 24 ft (7.3 m) and a deck 57 ft wide.

Who owns SH 44 over Canyon Creek?

It is owned by the State Highway Agency.