US Bridges

4402 Southside Rd. over Star Creek

Good

Lincoln County, Montana · Just Before JCT With 415 · Structure no. 011404000000132

Built
1976
49 years old
Condition
Good
inspected August 2024
Type
Tee Beam
Prestressed Concrete
Length
64 ft
1 main span
Daily traffic
50
1994 count
Owner
Federal
U.S. Forest Service

About this bridge

4402 Southside Rd. over Star Creek is a prestressed concrete tee beam carrying 4402 Southside Rd. over Star Creek in Lincoln County, Montana. It was built in 1976, so it is 49 years old, older 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 50 vehicles a day, projected to reach 75 by 2045. The structure is 64 ft (19.5 m) long and 16 ft wide. If it were closed, the detour would be 59.7 mi (96 km).

Carries4402 Southside Rd.
CrossesStar Creek
LocationJust Before JCT With 415
RouteFederal Lands Road 4402
StateMontana
Coordinates48.55578, -116.01747
Functional classRural Local

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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating41.8 US tons
Inventory rating31.1 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length64 ft (19.5 m)
Longest span63 ft (19.1 m)
Deck width16 ft (5 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (1994)
Projected traffic75 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed59.7 mi (96 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$3,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 4402 Southside Rd. over Star Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is 4402 Southside Rd. over Star Creek 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 August 2024.

How much traffic does 4402 Southside Rd. over Star Creek carry?

About 50 vehicles per day (1994 count).

How long is 4402 Southside Rd. over Star Creek?

The structure is 64 ft (19.5 m) long with a longest span of 63 ft (19.1 m) and a deck 16 ft wide.

Who owns 4402 Southside Rd. over Star Creek?

It is owned by the U.S. Forest Service.