US Bridges

Rapid Lightning RD over Pack River

Fair

Bonner County, Idaho · 3.6 N. 4.8 E. Kootenai · Structure no. 000000000030160

Built
1974
51 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
120 ft
1 main span
Daily traffic
280
2023 count
Owner
County
County Highway Agency

About this bridge

Rapid Lightning RD over Pack River is a prestressed concrete stringer/multi-beam or girder carrying Rapid Lightning RD over Pack River in Bonner County, Idaho. It was built in 1974, so it is 51 years old, older 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 6 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 280 vehicles a day, roughly 17% of them trucks, projected to reach 420 by 2042. The structure is 120 ft (36.6 m) long and 30 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

Location

Open in Google Maps
CarriesRapid Lightning RD
CrossesPack River
Location3.6 N. 4.8 E. Kootenai
RouteCounty Highway 0
CountyBonner County
StateIdaho
Coordinates48.36433, -116.4085
Functional classRural Minor 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating38 US tons
Inventory rating23 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1 (+2 approach)
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span78 ft (23.8 m)
Deck width30 ft (9 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic280 (2023)
Projected traffic420 by 2042
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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$1.1 million (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rapid Lightning RD over Pack River built?

It was built in 1974, making it 51 years old in 2025.

What condition is Rapid Lightning RD over Pack River 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 July 2023.

How much traffic does Rapid Lightning RD over Pack River carry?

About 280 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is Rapid Lightning RD over Pack River?

The structure is 120 ft (36.6 m) long with a longest span of 78 ft (23.8 m) and a deck 30 ft wide.

Who owns Rapid Lightning RD over Pack River?

It is owned by the County Highway Agency.