US Bridges

Boy Scout RD over Clearwater River 083

Good

Missoula County, Montana · 4M NW Seeley Lake · Structure no. L32601007+02001

Built
1964
61 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
64 ft
2 main spans
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Boy Scout RD over Clearwater River 083 is a wood or timber stringer/multi-beam or girder carrying Boy Scout RD over Clearwater River 083 in Missoula County, Montana. It was built in 1964, so it is 61 years old, older than the Montana average of 47 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 64 ft (19.5 m) long and 26 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesBoy Scout RD
CrossesClearwater River 083
Location4M NW Seeley Lake
RouteCounty Highway 32601
StateMontana
Coordinates47.23576, -113.53802
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48 US tons
Inventory rating34 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadHS 20
Structure length64 ft (19.5 m)
Longest span32 ft (9.8 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2025)
Projected traffic100 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Boy Scout RD over Clearwater River 083 built?

It was built in 1964, making it 61 years old in 2025.

What condition is Boy Scout RD over Clearwater River 083 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 October 2023.

How much traffic does Boy Scout RD over Clearwater River 083 carry?

About 100 vehicles per day (2025 count), of which roughly 3% are trucks.

How long is Boy Scout RD over Clearwater River 083?

The structure is 64 ft (19.5 m) long with a longest span of 32 ft (9.8 m) and a deck 26 ft wide.

Who owns Boy Scout RD over Clearwater River 083?

It is owned by the County Highway Agency.