US Bridges

Nitche RD over Rosebud Creek 029

Fair

Stillwater County, Montana · 2M SW Absarokee · Structure no. L48144000+02001

Built
2003
22 years old
Condition
Fair
inspected March 2024
Type
Tee Beam
Prestressed Concrete
Length
122 ft
1 main span
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Nitche RD over Rosebud Creek 029 is a prestressed concrete tee beam carrying Nitche RD over Rosebud Creek 029 in Stillwater County, Montana. It was built in 2003, so it is 22 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 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 122 ft (37.2 m) long and 31 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNitche RD
CrossesRosebud Creek 029
Location2M SW Absarokee
RouteCounty Highway 48238
StateMontana
Coordinates45.48644, -109.45616
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating38.3 US tons
Inventory rating23.6 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length122 ft (37.2 m)
Longest span122 ft (37.2 m)
Deck width31 ft (9.5 m)
Roadway width27 ft (8.3 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 closed123.7 mi (199 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 Nitche RD over Rosebud Creek 029 built?

It was built in 2003, making it 22 years old in 2025.

What condition is Nitche RD over Rosebud Creek 029 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 March 2024.

How much traffic does Nitche RD over Rosebud Creek 029 carry?

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

How long is Nitche RD over Rosebud Creek 029?

The structure is 122 ft (37.2 m) long with a longest span of 122 ft (37.2 m) and a deck 31 ft wide.

Who owns Nitche RD over Rosebud Creek 029?

It is owned by the County Highway Agency.