Box Culverts

Box culverts are designed for traffic loads as required by the customer complying with ASTM C-1433.

 

BOX CULVERT SPECIFICATIONS

BOX SIZE (SPAN X RISE)
WALL THIKNESS
ESTIMATED WEIGHT LBS/FOOT
AREA
EQUIVALENT ROUND DIAMETER
TOPBOTTOMSIDES
3×27″6″4″631.15.832.7
3×37”6″4″737.88.840.3
4×28”6″5″956.87.737.7
4×38”6″5″1091.111.746.5
4×48”6″5″1224.415.753.8
5×38”7″6″1511.114.551.6
5×48”7″6″1671.119.560.0
5×58”7″6″1831.124.567.3
6×38”7″7″1997.817.356.5
6×48”7″7″2184.523.365.6
6×58”7″7″2371.429.373.5
6×68”7″7″2557.835.380.7
7×48”8”8”2693.327.170.7
7×58”8”8”2906.734.179.3
7×68”8”8”3120.041.187.1
7×78”8”8”3333.348.194.2
8×48”8”8”2982.231.175.8
8×58”8”8”3195.639.185.0
8×68”8”8”3408.947.193.2
8×78”8”8”3622.255.1100.9
8×88”8”8”3835.663.1107.9
9×59″9″9″3891.143.990.0
9×69″9″9″4131.152.998.8
9×79″9″9″4371.161.9106.9
9×89″9″9″4611.170.9114.4
9×99″9″9″4851.179.9120.7
10×510″10″10″4657.848.694.7
10×610″10″10″4924.458.6104.0
10×710″10″10″5191.168.6112.5
10×810″10″10″5457.878.6120.5
10×910″10″10″5724.488.6127.9
10×1010″10″10″5991.198.6134.9
11×411″11″11″5207.842.388.1
11×611″11″11″5793.464.3108.6
11×811″11″11″6379.086.3125.8
11×1011″11″11″6967.8108.3140.9
11×1111″11″11″7259.0119.3147.9
12×412″12″12″6080.046.091.8
12×612″12″12″6720.070.0113.3
12×812″12″12″7360.094.0131.3
12×1012″12″12″8000.0118.0147.1
12×1212″12″12″8640.0142.0161.4