US Bridges

Brookside Lane over Dry Creek

Good

Ada County, Idaho · 2.0 N. 1.8 E. Eagle · Structure no. 000000000026036

Built
1994
31 years old
Condition
Good
inspected March 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
25 ft
1 main span
Daily traffic
250
2023 count
Owner
County
County Highway Agency

About this bridge

Brookside Lane over Dry Creek is a prestressed concrete box beam or girders - multiple carrying Brookside Lane over Dry Creek in Ada County, Idaho. It was built in 1994, so it is 31 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 250 vehicles a day, roughly 10% of them trucks, projected to reach 375 by 2039. The structure is 25 ft (7.6 m) long and 37 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesBrookside Lane
CrossesDry Creek
Location2.0 N. 1.8 E. Eagle
RouteCounty Highway 0
StateIdaho
Coordinates43.72331, -116.31919
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 protection7 GoodSome minor problems.
Last inspectionMarch 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating66 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length25 ft (7.6 m)
Longest span24 ft (7.3 m)
Deck width37 ft (11.3 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2023)
Projected traffic375 by 2039
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Brookside Lane over Dry Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is Brookside Lane 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 March 2022.

How much traffic does Brookside Lane over Dry Creek carry?

About 250 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Brookside Lane over Dry Creek?

The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.3 m) and a deck 37 ft wide.

Who owns Brookside Lane over Dry Creek?

It is owned by the County Highway Agency.