Knollwood over I40 Bus

Fair Condition70 years old19,000 vehicles/day

Location

StateNorth Carolina
CountyForsyth
Location0.5 Mi. N. Jct. Us158
CarriesKnollwood
CrossesI40 Bus
Coordinates36.09199, -80.28664

Condition Ratings

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

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length167.0 ft (50.9 m)
Max Span47.9 ft (14.6 m)
Deck Width74.5 ft (22.7 m)
Deck Area1155.4 sq m
Main Spans4
Year Built1956 (reconstructed 1997)

Traffic

Avg Daily Traffic19,000 (2017)
Truck Traffic7%
Lanes On Bridge4
Lanes Under Bridge4

Inspection & Ownership

Last Inspection524
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000670248

Nearby Bridges