Bridge | Tunnel

Stahl Sheaffer provides structural engineering for the design of bridges of all construction types and span arrangements, and NBIS inspections for bridges and tunnels. Our staff includes professional engineers dedicated to bridge structural engineering, Certified Bridge Safety Inspectors (CBSI), and Nationally Certified Tunnel Inspectors (NCTI) who have experience designing and inspecting structures for public agencies, municipalities, energy companies, and other clients.​

Services 

• ​​Preliminary and final design
• Bridge (NBIS) inspection
• Tunnel (NCTI)  inspection
• Maintenance recommendations
• Design of associated roadway
• Load capacity analysis
• Stormwater
• Signing
• Right of way
• Geometry
• Permitting
• Hydraulics
• Wetland delineation
• ​Waterway encroachment & obstruction permitting
• Public meetings
• Geotechnical 
• Construction inspection 
• ​LiDAR scanning

Bridge & Tunnel Services.pdf
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Sample Bridge Clearance Scan:

Bridge Design Projects

DCNR Stony Run Bridge Design

DCNR Blackwell Road over Laurel Run - Bridge Design

DCNR Bloody Skillet -Bridge Design

DCNR Gordon Road over Whitney Run - Bridge Design

Watson Twp Gamble Run Road over Gamble Run - Bridge Design

DCNR Open-End State-Wide - Bridge Design & Slide Repairs

DCNR Narrow Gauge Trail over Horse Valley Run New Bridge Crossing - Bridge & Roadway Design, Environmental

Driveway Culvert Replacement - Design & Environmental Permitting

Millerstown Recreation Association Community Park Pedestrian Bridge - Structural Engineering

Northumberland Co Keefer & Rishel Historic Covered Bridges - Rehabilitation Design

Kinder Road (T-798) Bridge Replacement - Bridge Design & Geotech Reporting

Montgomery County Bridge No. 172 - Bridge Design

PennDOT District 2-0, SR 4002 over North Fork Beech Creek - Bridge Rehabilitation Design

PennDOT District 2-0, Clearfield County - Bridge Replacement Projects

PennDOT District 2-0 - Department Force Box Culvert Design

PennDOT District 9-0, PA 56 Tributary to Barefoot Run Bridge - Bridge Replacement Design

Snyder County Bridge Contract - Bridge Repair & Maintenance

SR 3005 - Bridge Superstructure Replacement

SR 3016 over South Fork of Wheeling Creek - Bridge Strengthening

Sugar Camp Road Overpass (Arrowhead Trail) - Bridge Design

T-450 over Marsh Creek - Bridge Replacement

T-712 over Cash Creek - Bridge Design and NBIS

PennDOT District 8-0, SR 22 Jonestown Rd over SR 83 - Temporary Excavation Support for Bridge Replacement

Twin-Pipe Structure Replacement, Geauga County, OH

WVRII Bundled Bridge Project - Structure Replacements & Rehabilitations

Linnippi Trail over McElhatten Run - Bridge Design & Inspection

PennDOT District 2-0 Mackey Run - Bridge Replacement Design

PennDOT District 2-0 SR 1005 over Laurel Run - Bridge Replacement Design

PennDOT District 3-0 SR 973 over Tributary to Larry's Creek - Culvert Replacement Design

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Bridge & Tunnel Inspection Projects

DCNR Birch Run Road over Birch Run - NBIS Inspection

DCNR Open-End State-Wide - NBIS Bridge Inspection

Pennsylvania Turnpike Blue Mountain & Kittatinny Mountain - NCTI Inspection

Snyder County Locally Owned Bridges - NBIS Inspection

​Stahl Sheaffer was chosen by PA DOT in conjunction with the Snyder County commissioners to be in  charge of the ever important NBIS Inspection and Certification process which happens every year. Their reports and documentation have been stellar and the County is very pleased...I would highly recommend Stahl Sheaffer Engineering for any work and for any award that recognized them for the work they have performed."

Joe Kantz, Chairman, Snyder County Commissioners