US Bridges

Armells Road over Armells Creek

FairPosted for load

Fergus County, Montana · 11M NE Hilger · Structure no. 000000202208048

Built
2022
3 years old
Condition
Fair
inspected December 2023
Type
Truss - Deck
Other
Length
40 ft
1 main span
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Armells Road over Armells Creek is a other truss - deck carrying Armells Road over Armells Creek in Fergus County, Montana. It was built in 2022, so it is 3 years old, younger 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 40 ft (12.2 m) long and 16 ft wide.

CarriesArmells Road
CrossesArmells Creek
Location11M NE Hilger
RouteCounty Highway 56554
StateMontana
Coordinates47.3223, -109.1845
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating15 US tons
Inventory rating9 US tons

Structure

Structure typeTruss - Deck
MaterialOther
DeckWood or timber
Main spans1
Design loadUnknown
Structure length40 ft (12.2 m)
Longest span0 ft (0 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

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 closed—
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 Armells Road over Armells Creek built?

It was built in 2022, making it 3 years old in 2025.

What condition is Armells Road over Armells 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 December 2023.

How much traffic does Armells Road over Armells Creek carry?

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

How long is Armells Road over Armells Creek?

The structure is 40 ft (12.2 m) long and a deck 16 ft wide.

Who owns Armells Road over Armells Creek?

It is owned by the County Highway Agency.