US Bridges

Berge RD over Little Porcupine CR 015

Fair

Valley County, Montana · N Frazer · Structure no. L53276000+02001

Built
1980
45 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
63 ft
2 main spans
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Berge RD over Little Porcupine CR 015 is a steel continuous stringer/multi-beam or girder carrying Berge RD over Little Porcupine CR 015 in Valley County, Montana. It was built in 1980, so it is 45 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.

It carries about 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 63 ft (19.2 m) long and 20 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesBerge RD
CrossesLittle Porcupine CR 015
LocationN Frazer
RouteCounty Highway 53090
StateMontana
Coordinates48.06375, -106.0423
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.
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 inspectionNovember 2024
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating38.9 US tons
Inventory rating29 US tons

Structure

MaterialSteel Continuous
DeckWood or timber
Main spans2
Design loadUnknown
Structure length63 ft (19.2 m)
Longest span31 ft (9.6 m)
Deck width20 ft (6.2 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2025)
Projected traffic100 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
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 Berge RD over Little Porcupine CR 015 built?

It was built in 1980, making it 45 years old in 2025.

What condition is Berge RD over Little Porcupine CR 015 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 November 2024.

How much traffic does Berge RD over Little Porcupine CR 015 carry?

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

How long is Berge RD over Little Porcupine CR 015?

The structure is 63 ft (19.2 m) long with a longest span of 31 ft (9.6 m) and a deck 20 ft wide.

Who owns Berge RD over Little Porcupine CR 015?

It is owned by the County Highway Agency.