US Bridges

Going-To-The-Sun R over Baring Creek

Fair

Glacier County, Montana · 9.7 Miles Southwest of U. · Structure no. 1430008P0000000

Built
1932
93 years old
Condition
Fair
inspected September 2023
Type
Arch - Deck
Concrete
Length
72 ft
1 main span
Daily traffic
1,942
2022 count
Owner
Federal
National Park Service

About this bridge

Going-To-The-Sun R over Baring Creek is a concrete arch - deck carrying Going-To-The-Sun R over Baring Creek in Glacier County, Montana. It was built in 1932, so it is 93 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.

It carries about 1,942 vehicles a day, roughly 10% of them trucks, projected to reach 2,330 by 2042. The structure is 72 ft (21.9 m) long and 32 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesGoing-To-The-Sun R
CrossesBaring Creek
Location9.7 Miles Southwest of U.
RouteFederal Lands Road 18200
StateMontana
Coordinates48.67833, -113.59586
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
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 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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating43.4 US tons
Inventory rating25 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadOther
Structure length72 ft (21.9 m)
Longest span72 ft (21.9 m)
Deck width32 ft (9.9 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,942 (2022)
Projected traffic2,330 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed98.8 mi (159 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$566,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Going-To-The-Sun R over Baring Creek built?

It was built in 1932, making it 93 years old in 2025.

What condition is Going-To-The-Sun R over Baring 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 Going-To-The-Sun R over Baring Creek carry?

About 1,942 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Going-To-The-Sun R over Baring Creek?

The structure is 72 ft (21.9 m) long with a longest span of 72 ft (21.9 m) and a deck 32 ft wide.

Who owns Going-To-The-Sun R over Baring Creek?

It is owned by the National Park Service.