US Bridges

Lake Mcdonald Lodg over Snyder Creek

Fair

Flathead County, Montana · 10.8 Mi. NE of Jct. Hwy. · Structure no. 1430019P0000000

Built
1935
90 years old
Condition
Fair
inspected September 2023
Type
Frame
Concrete
Length
25 ft
1 main span
Daily traffic
100
2017 count
Owner
Federal
National Park Service

About this bridge

Lake Mcdonald Lodg over Snyder Creek is a concrete frame carrying Lake Mcdonald Lodg over Snyder Creek in Flathead County, Montana. It was built in 1935, so it is 90 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 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 100 vehicles a day, roughly 1% of them trucks, projected to reach 300 by 2037. The structure is 25 ft (7.5 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLake Mcdonald Lodg
CrossesSnyder Creek
Location10.8 Mi. NE of Jct. Hwy.
RouteFederal Lands Road 15999
CountyFlathead County
StateMontana
Coordinates48.61669, -113.87861
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating30 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length25 ft (7.5 m)
Longest span21 ft (6.4 m)
Deck width37 ft (11.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2017)
Projected traffic300 by 2037
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerNational Park Service
Maintained byNational Park Service
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$36,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Lake Mcdonald Lodg over Snyder Creek built?

It was built in 1935, making it 90 years old in 2025.

What condition is Lake Mcdonald Lodg over Snyder 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 September 2023.

How much traffic does Lake Mcdonald Lodg over Snyder Creek carry?

About 100 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is Lake Mcdonald Lodg over Snyder Creek?

The structure is 25 ft (7.5 m) long with a longest span of 21 ft (6.4 m) and a deck 37 ft wide.

Who owns Lake Mcdonald Lodg over Snyder Creek?

It is owned by the National Park Service.