US Bridges

US 191 over Whitewater Creek

Fair

Phillips County, Montana · 8M N Loring · Structure no. P00099047+00001

Built
1958
67 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
102 ft
4 main spans
Daily traffic
99
2023 count
Owner
State
State Highway Agency

About this bridge

US 191 over Whitewater Creek is a wood or timber stringer/multi-beam or girder carrying US 191 over Whitewater Creek in Phillips County, Montana. It was built in 1958, so it is 67 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 6 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 99 vehicles a day, roughly 3% of them trucks, projected to reach 104 by 2043. The structure is 102 ft (31 m) long and 26 ft wide. If it were closed, the detour would be 39.8 mi (64 km).

CarriesUS 191
CrossesWhitewater Creek
Location8M N Loring
RouteU.S. Route 191
StateMontana
Coordinates48.89611, -107.81594
Functional classRural Principal Arterial - Other

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38 US tons
Inventory rating25 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans4
Design loadHS 15
Structure length102 ft (31 m)
Longest span25 ft (7.6 m)
Deck width26 ft (7.9 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic99 (2023)
Projected traffic104 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.8 mi (64 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US 191 over Whitewater Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is US 191 over Whitewater 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 US 191 over Whitewater Creek carry?

About 99 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is US 191 over Whitewater Creek?

The structure is 102 ft (31 m) long with a longest span of 25 ft (7.6 m) and a deck 26 ft wide.

Who owns US 191 over Whitewater Creek?

It is owned by the State Highway Agency.