I-393 US 4 Us202w over Nh 9

Good Condition38 years old8,164 vehicles/day

Location

StateNew Hampshire
CountyMerrimack
Location.5 Mi E Concord Tl
CarriesI-393 US 4 Us202w
CrossesNh 9
Coordinates43.24109, -71.45756

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length160.8 ft (49 m)
Max Span149.9 ft (45.7 m)
Deck Width30.5 ft (9.3 m)
Deck Area455.7 sq m
Main Spans1
Year Built1988

Traffic

Avg Daily Traffic8,164 (2023)
Truck Traffic7%
Lanes On Bridge1
Lanes Under Bridge2

Inspection & Ownership

Last Inspection423
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number020600450008400

Nearby Bridges