US Bridges

Barber Valley DR over Walling Creek

Good

Ada County, Idaho · SE Boise · Structure no. 000000000033998

Built
2018
7 years old
Condition
Good
inspected November 2021
Type
Frame
Concrete
Length
114 ft
3 main spans
Daily traffic
5,500
2023 count
Owner
County
County Highway Agency

About this bridge

Barber Valley DR over Walling Creek is a concrete frame carrying Barber Valley DR over Walling Creek in Ada County, Idaho. It was built in 2018, so it is 7 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 5,500 vehicles a day, roughly 5% of them trucks, projected to reach 8,250 by 2039. The structure is 114 ft (34.6 m) long and 59 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBarber Valley DR
CrossesWalling Creek
LocationSE Boise
RouteCity Street 0
StateIdaho
Coordinates43.57344, -116.13994
Functional classUrban Collector

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 protection8 Very GoodNo problems noted.
Last inspectionNovember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating83.9 US tons
Inventory rating64.6 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length114 ft (34.6 m)
Longest span36 ft (11.1 m)
Deck width59 ft (17.9 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,500 (2023)
Projected traffic8,250 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 Barber Valley DR over Walling Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is Barber Valley DR over Walling 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 November 2021.

How much traffic does Barber Valley DR over Walling Creek carry?

About 5,500 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Barber Valley DR over Walling Creek?

The structure is 114 ft (34.6 m) long with a longest span of 36 ft (11.1 m) and a deck 59 ft wide.

Who owns Barber Valley DR over Walling Creek?

It is owned by the County Highway Agency.