Swamp RD over E Gallatin River 074

Good Condition18 years old100 vehicles/day

Location

StateMontana
CountyGallatin
Location6m E Manhattan
CarriesSwamp RD
CrossesE Gallatin River 074
Coordinates45.86286, -111.20128

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignTee Beam
Total Length102.4 ft (31.2 m)
Max Span102.4 ft (31.2 m)
Deck Width28.2 ft (8.6 m)
Deck Area268.3 sq m
Main Spans1
Year Built2008

Traffic

Avg Daily Traffic100 (2025)
Truck Traffic3%
Lanes On Bridge2

Inspection & Ownership

Last Inspection923
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberL16229000+08001

Nearby Bridges

Dry CR School RD over E Gallatin River 032 1.2 mi Fair W Dry Creek RD over East Gallatin River 1.7 mi Fair Dry Creek RD over Dry Creek 119 1.9 mi Fair Dry Creek RD over Reese Creek 2.2 mi Fair Dry Creek RD over E Gallatin River Overflo 2.5 mi Fair Spaulding Br RD over E Gallatin River 077 2.6 mi Fair Dry Creek RD over East Gallatin River 2.6 mi Fair Dry Creek RD over Dry Creek 3.4 mi Fair Hamilton RD over E Gallatin River 076 3.9 mi Fair Hamilton RD over Reese Creek 4.1 mi Good