US Bridges

Hanley Place over Willow Creek

Good

Ada County, Idaho · 6.95 S. Emmett · Structure no. 000000000034285

Built
2023
2 years old
Condition
Good
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
69 ft
1 main span
Daily traffic
40
2023 count
Owner
County
County Highway Agency

About this bridge

Hanley Place over Willow Creek is a prestressed concrete box beam or girders - multiple carrying Hanley Place over Willow Creek in Ada County, Idaho. It was built in 2023, so it is 2 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 40 vehicles a day, roughly 1% of them trucks, projected to reach 60 by 2042. The structure is 69 ft (21 m) long and 36 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesHanley Place
CrossesWillow Creek
Location6.95 S. Emmett
RouteCounty Highway 0
StateIdaho
Coordinates43.77358, -116.49075
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.6 US tons
Inventory rating45.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length69 ft (21 m)
Longest span65 ft (19.8 m)
Deck width36 ft (11.1 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2023)
Projected traffic60 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Hanley Place over Willow Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is Hanley Place over Willow 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 September 2023.

How much traffic does Hanley Place over Willow Creek carry?

About 40 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Hanley Place over Willow Creek?

The structure is 69 ft (21 m) long with a longest span of 65 ft (19.8 m) and a deck 36 ft wide.

Who owns Hanley Place over Willow Creek?

It is owned by the County Highway Agency.