US Bridges

Frying Pan RD over Sep I 15 126

Fair

Beaverhead County, Montana · 3M N Dillon · Structure no. L01112000+05201

Built
1973
52 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
311 ft
4 main spans
Daily traffic
357
2023 count
Owner
State
State Highway Agency

About this bridge

Frying Pan RD over Sep I 15 126 is a prestressed concrete stringer/multi-beam or girder carrying Frying Pan RD over Sep I 15 126 in Beaverhead County, Montana. It was built in 1973, so it is 52 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 5 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 357 vehicles a day, roughly 3% of them trucks, projected to reach 386 by 2043. The structure is 311 ft (94.8 m) long and 32 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesFrying Pan RD
CrossesSep I 15 126
Location3M N Dillon
RouteCounty Highway 1112
CountyBeaverhead County
StateMontana
Coordinates45.26179, -112.65176
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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating63.1 US tons
Inventory rating27 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length311 ft (94.8 m)
Longest span100 ft (30.5 m)
Deck width32 ft (9.7 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic357 (2023)
Projected traffic386 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Frying Pan RD over Sep I 15 126 built?

It was built in 1973, making it 52 years old in 2025.

What condition is Frying Pan RD over Sep I 15 126 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 Frying Pan RD over Sep I 15 126 carry?

About 357 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Frying Pan RD over Sep I 15 126?

The structure is 311 ft (94.8 m) long with a longest span of 100 ft (30.5 m) and a deck 32 ft wide.

Who owns Frying Pan RD over Sep I 15 126?

It is owned by the State Highway Agency.