US Bridges

S 467-UNION RD over Mccune Creek

FairPosted for load

McCone County, Montana · 4M S Circle · Structure no. S00467003+04001

Built
1962
63 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
41 ft
2 main spans
Daily traffic
77
2023 count
Owner
County
County Highway Agency

About this bridge

S 467-UNION RD over Mccune Creek is a wood or timber stringer/multi-beam or girder carrying S 467-UNION RD over Mccune Creek in McCone County, Montana. It was built in 1962, so it is 63 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. Its operating status is: posted for load restriction.

It carries about 77 vehicles a day, projected to reach 81 by 2043. The structure is 41 ft (12.4 m) long and 26 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

Location

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CarriesS 467-UNION RD
CrossesMccune Creek
Location4M S Circle
RouteCounty Highway 467
CountyMcCone County
StateMontana
Coordinates47.35497, -105.59586
Functional classRural Major 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
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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating33 US tons
Inventory rating23 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadHS 15
Structure length41 ft (12.4 m)
Longest span19 ft (5.8 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic77 (2023)
Projected traffic81 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.8 mi (56 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 S 467-UNION RD over Mccune Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is S 467-UNION RD over Mccune 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 April 2023.

How much traffic does S 467-UNION RD over Mccune Creek carry?

About 77 vehicles per day (2023 count).

How long is S 467-UNION RD over Mccune Creek?

The structure is 41 ft (12.4 m) long with a longest span of 19 ft (5.8 m) and a deck 26 ft wide.

Who owns S 467-UNION RD over Mccune Creek?

It is owned by the County Highway Agency.