US Bridges

Nye Rd-S 419 over W Rosebud Creek Overflow

Good

Stillwater County, Montana · Fishtail · Structure no. S00419003+05001

Built
1991
34 years old
Condition
Good
inspected January 2024
Type
Slab
Concrete Continuous
Length
40 ft
3 main spans
Daily traffic
1,074
2023 count
Owner
State
State Highway Agency

About this bridge

Nye Rd-S 419 over W Rosebud Creek Overflow is a concrete continuous slab carrying Nye Rd-S 419 over W Rosebud Creek Overflow in Stillwater County, Montana. It was built in 1991, so it is 34 years old, younger than the Montana average of 47 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,074 vehicles a day, roughly 4% of them trucks, projected to reach 1,128 by 2043. The structure is 40 ft (12.2 m) long and 38 ft wide. If it were closed, the detour would be 44.7 mi (72 km).

CarriesNye Rd-S 419
CrossesW Rosebud Creek Overflow
LocationFishtail
RouteState Highway 419
StateMontana
Coordinates45.45336, -109.50646
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating28 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span27 ft (8.2 m)
Deck width38 ft (11.6 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,074 (2023)
Projected traffic1,128 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed44.7 mi (72 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nye Rd-S 419 over W Rosebud Creek Overflow built?

It was built in 1991, making it 34 years old in 2025.

What condition is Nye Rd-S 419 over W Rosebud Creek Overflow in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.

How much traffic does Nye Rd-S 419 over W Rosebud Creek Overflow carry?

About 1,074 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Nye Rd-S 419 over W Rosebud Creek Overflow?

The structure is 40 ft (12.2 m) long with a longest span of 27 ft (8.2 m) and a deck 38 ft wide.

Who owns Nye Rd-S 419 over W Rosebud Creek Overflow?

It is owned by the State Highway Agency.