US Bridges

Roosevelt Parkway over Kootenai River 070

FairPosted for load

Lincoln County, Montana · E Edge Troy · Structure no. L27411000+01001

Built
1912
113 years old, rebuilt 1992
Condition
Fair
inspected July 2024
Type
Truss - Thru
Steel
Length
445 ft
2 main spans
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Roosevelt Parkway over Kootenai River 070 is a steel truss - thru carrying Roosevelt Parkway over Kootenai River 070 in Lincoln County, Montana. It was built in 1912 and reconstructed in 1992, so it is 113 years old, older than the Montana average of 47 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. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 445 ft (135.6 m) long and 17 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesRoosevelt Parkway
CrossesKootenai River 070
LocationE Edge Troy
RouteCounty Highway 27071
StateMontana
Coordinates48.47003, -115.88748
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating8 US tons
Inventory rating6 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans2
Design loadUnknown
Structure length445 ft (135.6 m)
Longest span221 ft (67.3 m)
Deck width17 ft (5.3 m)
Roadway width16 ft (5 m)
Vertical clearance over deck11 ft (3.5 m)

Traffic and service

Average daily traffic100 (2025)
Projected traffic100 by 2040
Trucks3%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$989,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Roosevelt Parkway over Kootenai River 070 built?

It was built in 1912, making it 113 years old in 2025. It was reconstructed in 1992.

What condition is Roosevelt Parkway over Kootenai River 070 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 2024.

How much traffic does Roosevelt Parkway over Kootenai River 070 carry?

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

How long is Roosevelt Parkway over Kootenai River 070?

The structure is 445 ft (135.6 m) long with a longest span of 221 ft (67.3 m) and a deck 17 ft wide.

Who owns Roosevelt Parkway over Kootenai River 070?

It is owned by the County Highway Agency.