US Bridges

Many Glacier Road over Apikuni Creek

Fair

Glacier County, Montana · 10.3 Miles West of U.S. R · Structure no. 1430030P0000000

Built
1931
94 years old, rebuilt 1953
Condition
Fair
inspected September 2023
Type
Slab
Concrete Continuous
Length
38 ft
3 main spans
Daily traffic
452
2017 count
Owner
Federal
National Park Service

About this bridge

Many Glacier Road over Apikuni Creek is a concrete continuous slab carrying Many Glacier Road over Apikuni Creek in Glacier County, Montana. It was built in 1931 and reconstructed in 1953, so it is 94 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 452 vehicles a day, roughly 5% of them trucks, projected to reach 542 by 2037. The structure is 38 ft (11.5 m) long and 32 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesMany Glacier Road
CrossesApikuni Creek
Location10.3 Miles West of U.S. R
RouteFederal Lands Road 18202
StateMontana
Coordinates48.805, -113.63586
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41 US tons
Inventory rating24 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length38 ft (11.5 m)
Longest span16 ft (5 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic452 (2017)
Projected traffic542 by 2037
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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$33,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Many Glacier Road over Apikuni Creek built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1953.

What condition is Many Glacier Road over Apikuni 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 Many Glacier Road over Apikuni Creek carry?

About 452 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Many Glacier Road over Apikuni Creek?

The structure is 38 ft (11.5 m) long with a longest span of 16 ft (5 m) and a deck 32 ft wide.

Who owns Many Glacier Road over Apikuni Creek?

It is owned by the National Park Service.