US Bridges

SH 44 over Dry Creek

Good

Ada County, Idaho · Eagle Bypass · Structure no. 000000000014297

Built
1996
29 years old
Condition
Good
inspected January 2025
Type
Slab
Prestressed Concrete Continuous
Length
80 ft
3 main spans
Daily traffic
13,500
2023 count
Owner
State
State Highway Agency

About this bridge

SH 44 over Dry Creek is a prestressed concrete continuous slab carrying SH 44 over Dry Creek in Ada County, Idaho. It was built in 1996, so it is 29 years old, younger than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 13,500 vehicles a day, roughly 7% of them trucks, projected to reach 20,250 by 2042. The structure is 80 ft (24.4 m) long and 86 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 44
CrossesDry Creek
LocationEagle Bypass
RouteState Highway 44
StateIdaho
Coordinates43.69194, -116.36939
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95 US tons
Inventory rating49.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length80 ft (24.4 m)
Longest span28 ft (8.4 m)
Deck width86 ft (26.2 m)
Roadway width73 ft (22.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,500 (2023)
Projected traffic20,250 by 2042
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
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 SH 44 over Dry Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is SH 44 over Dry Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2025.

How much traffic does SH 44 over Dry Creek carry?

About 13,500 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is SH 44 over Dry Creek?

The structure is 80 ft (24.4 m) long with a longest span of 28 ft (8.4 m) and a deck 86 ft wide.

Who owns SH 44 over Dry Creek?

It is owned by the State Highway Agency.