US 4 Nh 10 over Mascoma River Csx

Good Condition81 years old13,685 vehicles/day

Location

StateNew Hampshire
CountyGrafton
Location4.3 Mi Lebanon T.l.
CarriesUS 4 Nh 10
CrossesMascoma River Csx
Coordinates43.63572, -72.29543

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel Continuous
DesignGirder and Floorbeam
Total Length382.9 ft (116.7 m)
Max Span149.9 ft (45.7 m)
Deck Width40.0 ft (12.2 m)
Deck Area1423.7 sq m
Main Spans3
Year Built1945 (reconstructed 2008)

Traffic

Avg Daily Traffic13,685 (2023)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last Inspection521
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Structure Number014400770010700

Nearby Bridges