US Bridges

Kircher Creek RD over T and Y Canal 032

PoorPosted for load

Custer County, Montana · 4M NE Miles City · Structure no. L09021000+08001

Built
1938
87 years old
Condition
Poor
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
29 ft
1 main span
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Kircher Creek RD over T and Y Canal 032 is a steel stringer/multi-beam or girder carrying Kircher Creek RD over T and Y Canal 032 in Custer County, Montana. It was built in 1938, so it is 87 years old, older than the Montana average of 47 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 29 ft (8.7 m) long and 19 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesKircher Creek RD
CrossesT and Y Canal 032
Location4M NE Miles City
RouteCounty Highway 9021
StateMontana
Coordinates46.43607, -105.78099
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating46 US tons
Inventory rating27 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length29 ft (8.7 m)
Longest span28 ft (8.5 m)
Deck width19 ft (5.9 m)
Roadway width18 ft (5.5 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 closed3.7 mi (6 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 Kircher Creek RD over T and Y Canal 032 built?

It was built in 1938, making it 87 years old in 2025.

What condition is Kircher Creek RD over T and Y Canal 032 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2024.

How much traffic does Kircher Creek RD over T and Y Canal 032 carry?

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

How long is Kircher Creek RD over T and Y Canal 032?

The structure is 29 ft (8.7 m) long with a longest span of 28 ft (8.5 m) and a deck 19 ft wide.

Who owns Kircher Creek RD over T and Y Canal 032?

It is owned by the County Highway Agency.