US Bridges

Tampico RD N over Buggy Creek 095

FairPosted for load

Valley County, Montana · 2M N Tampico · Structure no. L53507002+03001

Built
2000
25 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Tampico RD N over Buggy Creek 095 is a steel stringer/multi-beam or girder carrying Tampico RD N over Buggy Creek 095 in Valley County, Montana. It was built in 2000, so it is 25 years old, younger 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 31 ft (9.3 m) long and 28 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesTampico RD N
CrossesBuggy Creek 095
Location2M N Tampico
RouteCounty Highway 53409
StateMontana
Coordinates48.32943, -106.80741
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating27.4 US tons
Inventory rating16.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length31 ft (9.3 m)
Longest span28 ft (8.5 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (8 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 closed11.2 mi (18 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 Tampico RD N over Buggy Creek 095 built?

It was built in 2000, making it 25 years old in 2025.

What condition is Tampico RD N over Buggy Creek 095 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 November 2024.

How much traffic does Tampico RD N over Buggy Creek 095 carry?

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

How long is Tampico RD N over Buggy Creek 095?

The structure is 31 ft (9.3 m) long with a longest span of 28 ft (8.5 m) and a deck 28 ft wide.

Who owns Tampico RD N over Buggy Creek 095?

It is owned by the County Highway Agency.