US Bridges

Milk River Road over Frenchman Creek 126

FairPosted for load

Phillips County, Montana · 12M NE Saco · Structure no. L36011005+01001

Built
1950
75 years old
Condition
Fair
inspected May 2024
Type
Truss - Thru
Steel
Length
114 ft
1 main span
Daily traffic
22
2023 count
Owner
County
County Highway Agency

About this bridge

Milk River Road over Frenchman Creek 126 is a steel truss - thru carrying Milk River Road over Frenchman Creek 126 in Phillips County, Montana. It was built in 1950, so it is 75 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. Its operating status is: posted for load restriction.

It carries about 22 vehicles a day, roughly 3% of them trucks, projected to reach 23 by 2043. The structure is 114 ft (34.7 m) long and 16 ft wide. If it were closed, the detour would be 39.8 mi (64 km).

CarriesMilk River Road
CrossesFrenchman Creek 126
Location12M NE Saco
RouteCounty Highway 36303
StateMontana
Coordinates48.52861, -107.25611
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
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating12 US tons
Inventory rating9 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1 (+2 approach)
Design loadUnknown
Structure length114 ft (34.7 m)
Longest span74 ft (22.6 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22 (2023)
Projected traffic23 by 2043
Trucks3%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.8 mi (64 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$278,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Milk River Road over Frenchman Creek 126 built?

It was built in 1950, making it 75 years old in 2025.

What condition is Milk River Road over Frenchman Creek 126 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 May 2024.

How much traffic does Milk River Road over Frenchman Creek 126 carry?

About 22 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Milk River Road over Frenchman Creek 126?

The structure is 114 ft (34.7 m) long with a longest span of 74 ft (22.6 m) and a deck 16 ft wide.

Who owns Milk River Road over Frenchman Creek 126?

It is owned by the County Highway Agency.