The SR 0706 Section 504 Betterment Project in Susquehanna County is the final design for approximately 3.5 miles of road, including a 1.5-mile-long center turn lane through a commercially developed area just east of Montrose Borough. NTM was responsible for the drainage design, Erosion and Sediment Pollution Control Plan, Post-Construction Stormwater Management Plan, and NPDES […]
The SR 2001 over Trout Creek project involved replacing a single-span, concrete slab bridge with a corrugated metal pipe arch. The bridge is located southeast of Allentown in Salisbury Township, Lehigh County. The bridge was closed after it was damaged by flooding in the fall of 2011. NTM Engineering was responsible for the bridge and […]
The SR 0407 Section 250 North Abington Road Bridge over an Unnamed Tributary to Lackawanna Lake project in North Abington Township, Lackawanna County, is replacing an existing structural deficient bridge. NTM is performing structural design, roadway design, H&H analyses, and erosion and sediment control design for the replacement of this existing bridge. Configuration of roadway […]
The SR 4006 Kiester Bridge project includes replacing an existing two-span steel I-beam bridge with a single-span steel girder bridge. NTM performed stormwater management, erosion and sediment control, and drainage design; hydrology and hydraulics analysis; and NPDES permitting for this project in Slippery Rock Township.
NTM Engineering provided the Post-Construction Stormwater Management (PCSM) Plan, Erosion and Sediment Pollution Control (E&S) Plan, NPDES (stormwater) Permit, and Dam Safety Permit for 1.25 miles of roadway widening (from two to four lanes and from three to six lanes) along SR 0228, Mars-Valencia Road. Design challenges included discharging to waters with 303(d) impairments, soils […]