US 4 over Nhrr(abd)

Fair Condition67 years old2,172 vehicles/day

Location

StateNew Hampshire
CountyMerrimack
Location0.075 Mi W.of Rte. 11
CarriesUS 4
CrossesNhrr(abd)
Coordinates43.43479, -71.80375

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure7 (Good)
Substructure6 (Satisfactory)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length130.2 ft (39.7 m)
Max Span47.9 ft (14.6 m)
Deck Width46.3 ft (14.1 m)
Deck Area559.8 sq m
Main Spans3
Year Built1959 (reconstructed 1994)

Traffic

Avg Daily Traffic2,172 (2023)
Truck Traffic4%
Lanes On Bridge2

Inspection & Ownership

Last Inspection524
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Structure Number000801180009500

Nearby Bridges