US Bridges

E. Branchwood over Squaw Creek

Good

Ada County, Idaho · In Boise · Structure no. 000000000026393

Built
2001
24 years old
Condition
Good
inspected March 2021
Type
Frame
Concrete
Length
24 ft
1 main span
Daily traffic
400
2023 count
Owner
County
County Highway Agency

About this bridge

E. Branchwood over Squaw Creek is a concrete frame carrying E. Branchwood over Squaw Creek 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 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 400 vehicles a day, roughly 5% of them trucks, projected to reach 600 by 2039. The structure is 24 ft (7.3 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesE. Branchwood
CrossesSquaw Creek
LocationIn Boise
RouteCity Street 0
StateIdaho
Coordinates43.57278, -116.11944
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionMarch 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width45 ft (13.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2023)
Projected traffic600 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 E. Branchwood over Squaw Creek built?

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

What condition is E. Branchwood over Squaw 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 March 2021.

How much traffic does E. Branchwood over Squaw Creek carry?

About 400 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is E. Branchwood over Squaw Creek?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m) and a deck 45 ft wide.

Who owns E. Branchwood over Squaw Creek?

It is owned by the County Highway Agency.