US Bridges

Stc 7715;BRONX RD over Sand Creek

Fair

Bonner County, Idaho · 2.6 N. Sandpoint Ncl · Structure no. 000000000030200

Built
1980
45 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
710
2023 count
Owner
County
County Highway Agency

About this bridge

Stc 7715;BRONX RD over Sand Creek is a prestressed concrete stringer/multi-beam or girder carrying Stc 7715;BRONX RD over Sand Creek in Bonner County, Idaho. It was built in 1980, so it is 45 years old, younger than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 710 vehicles a day, roughly 8% of them trucks, projected to reach 1,065 by 2042. The structure is 40 ft (12.2 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesStc 7715;BRONX RD
CrossesSand Creek
Location2.6 N. Sandpoint Ncl
RouteCounty Highway 7715
CountyBonner County
StateIdaho
Coordinates48.32813, -116.55296
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure9 ExcellentNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating54 US tons
Inventory rating32 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span39 ft (11.9 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic710 (2023)
Projected traffic1,065 by 2042
Trucks8%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$666,000 (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Stc 7715;BRONX RD over Sand Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Stc 7715;BRONX RD over Sand Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.

How much traffic does Stc 7715;BRONX RD over Sand Creek carry?

About 710 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Stc 7715;BRONX RD over Sand Creek?

The structure is 40 ft (12.2 m) long with a longest span of 39 ft (11.9 m) and a deck 30 ft wide.

Who owns Stc 7715;BRONX RD over Sand Creek?

It is owned by the County Highway Agency.