US Bridges

US 191-KENDALL RD over Big Spring Creek

Fair

Fergus County, Montana · Lewistown-Kendall RD · Structure no. P00043000+06901

Built
1976
49 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
2,663
2023 count
Owner
State
State Highway Agency

About this bridge

US 191-KENDALL RD over Big Spring Creek is a prestressed concrete stringer/multi-beam or girder carrying US 191-KENDALL RD over Big Spring Creek in Fergus County, Montana. It was built in 1976, so it is 49 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 2,663 vehicles a day, roughly 7% of them trucks, projected to reach 2,796 by 2043. The structure is 40 ft (12.2 m) long and 64 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesUS 191-KENDALL RD
CrossesBig Spring Creek
LocationLewistown-Kendall RD
RouteU.S. Route 191
CountyFergus County
StateMontana
Coordinates47.07507, -109.42901
Functional classUrban Other Principal Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41 US tons
Inventory rating26 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span40 ft (12.2 m)
Deck width64 ft (19.5 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,663 (2023)
Projected traffic2,796 by 2043
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$228,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US 191-KENDALL RD over Big Spring Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is US 191-KENDALL RD over Big Spring 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 May 2023.

How much traffic does US 191-KENDALL RD over Big Spring Creek carry?

About 2,663 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is US 191-KENDALL RD over Big Spring Creek?

The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.2 m) and a deck 64 ft wide.

Who owns US 191-KENDALL RD over Big Spring Creek?

It is owned by the State Highway Agency.