US Bridges

US 2 over Sand Creek

Good

Bonner County, Idaho · At Ponderay Swcl · Structure no. 000000000018725

Built
1973
52 years old
Condition
Good
inspected April 2021
Type
Stringer/Multi-beam or Girder
Steel
Length
212 ft
3 main spans
Daily traffic
18,500
2023 count
Owner
State
State Highway Agency

About this bridge

US 2 over Sand Creek is a steel stringer/multi-beam or girder carrying US 2 over Sand Creek in Bonner County, Idaho. It was built in 1973, so it is 52 years old, older 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 18,500 vehicles a day, roughly 7% of them trucks, projected to reach 27,750 by 2042. The structure is 212 ft (64.6 m) long and 62 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 2
CrossesSand Creek
LocationAt Ponderay Swcl
RouteU.S. Route 2
StateIdaho
Coordinates48.28958, -116.55183
Functional classUrban Other Principal Arterial

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 inspectionApril 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85 US tons
Inventory rating50 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length212 ft (64.6 m)
Longest span69 ft (21 m)
Deck width62 ft (18.8 m)
Roadway width59 ft (17.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,500 (2023)
Projected traffic27,750 by 2042
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was US 2 over Sand Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is US 2 over Sand 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 April 2021.

How much traffic does US 2 over Sand Creek carry?

About 18,500 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is US 2 over Sand Creek?

The structure is 212 ft (64.6 m) long with a longest span of 69 ft (21 m) and a deck 62 ft wide.

Who owns US 2 over Sand Creek?

It is owned by the State Highway Agency.