US Bridges

1127: Dry Fork over Dry Fork Creek

Good

Phillips County, Montana · 19 MI SE of US 191 · Structure no. 000000000L59209

Built
1979
46 years old
Condition
Good
inspected September 2024
Type
Girder and Floorbeam System
Wood or Timber
Length
30 ft
1 main span
Daily traffic
25
2022 count
Owner
Federal
Bureau of Land Management

About this bridge

1127: Dry Fork over Dry Fork Creek is a wood or timber girder and floorbeam system carrying 1127: Dry Fork over Dry Fork Creek in Phillips County, Montana. It was built in 1979, so it is 46 years old, younger than the Montana average of 47 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 25 vehicles a day, projected to reach 35 by 2040. The structure is 30 ft (9.1 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Carries1127: Dry Fork
CrossesDry Fork Creek
Location19 MI SE of US 191
RouteFederal Lands Road 0
StateMontana
Coordinates47.81765, -108.1401
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating39.7 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span28 ft (8.4 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2022)
Projected traffic35 by 2040
Trucks—
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Land Management
Maintained byBureau of Land Management
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 1127: Dry Fork over Dry Fork Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is 1127: Dry Fork over Dry Fork Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does 1127: Dry Fork over Dry Fork Creek carry?

About 25 vehicles per day (2022 count).

How long is 1127: Dry Fork over Dry Fork Creek?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.4 m) and a deck 26 ft wide.

Who owns 1127: Dry Fork over Dry Fork Creek?

It is owned by the Bureau of Land Management.