US Bridges

N. Grand Lake Way over Five Mile Creek

Good

Ada County, Idaho · 3.45 N. Meridian · Structure no. 000000000025988

Built
2022
3 years old
Condition
Good
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
51 ft
1 main span
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

N. Grand Lake Way over Five Mile Creek is a prestressed concrete box beam or girders - multiple carrying N. Grand Lake Way over Five Mile Creek in Ada County, Idaho. It was built in 2022, so it is 3 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 50 vehicles a day, roughly 5% of them trucks, projected to reach 75 by 2042. The structure is 51 ft (15.5 m) long and 56 ft wide.

CarriesN. Grand Lake Way
CrossesFive Mile Creek
Location3.45 N. Meridian
RouteCounty Highway 0
StateIdaho
Coordinates43.64153, -116.44836
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
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 rating96.1 US tons
Inventory rating70.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length51 ft (15.5 m)
Longest span49 ft (14.9 m)
Deck width56 ft (17.1 m)
Roadway width36 ft (10.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic75 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 N. Grand Lake Way over Five Mile Creek built?

It was built in 2022, making it 3 years old in 2025.

What condition is N. Grand Lake Way over Five Mile 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 2024.

How much traffic does N. Grand Lake Way over Five Mile Creek carry?

About 50 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is N. Grand Lake Way over Five Mile Creek?

The structure is 51 ft (15.5 m) long with a longest span of 49 ft (14.9 m) and a deck 56 ft wide.

Who owns N. Grand Lake Way over Five Mile Creek?

It is owned by the County Highway Agency.