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Early AHTD Standard Bridge Plans

This page contains standardized bridges plans created by AHTD for use by road contractors working for County Judges and AHTD from the early 1920s through the late 1940s.  These plans contain standard drawings for metal truss bridges (Baltimore, Camelback, Pratt, Parker, Pennsylvania, Warren) concrete tee beam bridges, deck truss bridges, king post truss bridges, K-Truss, steel, multi-beam, timber trestle, masonry and log culverts.

Baltimore Though Truss
140' Baltimore Through - 20' roadway (1931)
140' Baltimore Through - 20' roadway (1931) A

Camelback Pony Truss
70' Camelback Pony - 24' roadway (1933)
70' Camelback Pony - 24' roadway (skewed) (1933)
80' Camelback Pony - 20' roadway (1931)
80' Camelback Pony - 24' roadway (1932)

Camelback Through Truss
140' Camelback Through - 16' concrete floor (1924)
140' Camelback Through - 16' roadway (1922)
140' Camelback Through - 18' concrete floor (1924)
140' Camelback Through - 18' roadway (1922)

Concrete Tee Beam
25' Concrete Tee Beam (3 girders) - 20' roadway (1928)
30' Concrete Tee Beam (3 girders) - 20' roadway (1927)
30' Concrete Tee Beam (4 girders) - 20' roadway (1927)
30' Concrete Tee Beam (5 girders) - 25' roadway (1927)
35' Concrete Tee Beam (3 girders) - 20' roadway (1928)
35' Concrete Tee Beam (3 girders) - 20' roadway (skewed) (1927)
40' Concrete Tee Beam (3 girders) - 20' roadway (1928)
46' Concrete Tee Beam (4 girders) - 20' roadway (1928)
50' Concrete Tee Beam (3 girders) - 20' roadway (1928)

Deck Truss
70'-110'-70' Continuous Deck Truss - 24' Roadway (1937)
70'-110'-70' Continuous Deck Truss - 24' Roadway (1937) A
70'-110'-70' Continuous Deck Truss - 24' Roadway (1937) B
70'-110'-70' Continuous Deck Truss - 24' Roadway (1937) C

King Post Truss
30' King Post -17' roadway (1925)

K-Through Truss
225' K-Through - 24' roadway (1930)
225' K-Through - 24' roadway (1930) A

Log Box Culvert
Log Box Culvert (1930)

Masonry Culvert
2' - 10' Masonry Culverts (1927)
2' - 10' Masonry Culverts - 30' roadway (1929)

Parker Pony Truss
70' Parker Pony - 20' roadway (1931)
80' Parker Pony - 18 roadway (1928)
80' Parker Pony - 20' concrete floor (1932)
80' Parker Pony - 20' roadway (1928)
80' Parker Pony - 20' roadway (skewed) (1929)
80' Parker Pony - 24' roadway (1930)
90' Parker Pony - 18' roadway (1930)
90' Parker Pony - 20' roadway (1928)
90' Parker Pony - 20' roadway (1931)
90' Parker Pony - 20' roadway (skewed) (1928)
90' Parker Pony - 20' roadway (skewed) (1930)
90' Parker Pony - 20' roadway (special clearance) (1931)
90' Parker Pony - 24' roadway (1930)
100' Parker Pony - 20' roadway (1929)
100' Parker Pony - 20' roadway (1930)
100' Parker Pony - 20' roadway (1931)
100' Parker Pony - 20' roadway (skewed) (1931)
100' Parker Pony - 24' roadway (1930)
100' Parker Pony - 24' roadway (1934)
100' Parker Pony - 24' roadway (1935)
100' Parker Pony - 24' roadway (skewed) (1934)
100' Parker Pony - 26' roadway (with sidewalks) (1939)
100' Parker Pony - 26' roadway (with sidewalks) (1939) A
100' Parker Pony - 28' roadway (with sidewalks) (1941)
100' Parker Pony - 28' roadway (with sidewalks) (1941) A
110' Parker Pony - 18' roadway (1930)
110' Parker Pony - 20' roadway (1930)
110' Parker Pony - 20' roadway (special clearance) (1934)
110' Parker Pony - 24' roadway (1934)

Parker Through Truss
130' Parker Through - 18' concrete floor (1925)
130' Parker Through - 18' roadway (1929)
130' Parker Through - 20' roadway (1929)
135' Parker Through - 18' concrete floor (1926)
140' Parker Through - 20' roadway (1930)
150' Parker Through - 16' concrete floor (1925)
150' Parker Through - 20' concrete floor (1927)
160' Parker Through - 20' roadway (1929)
160' Parker Through - 24' roadway (1932)
160' Parker Through - 24' roadway (1932) A
165' Parker Through - 18' concrete floor (1926)
165' Parker Through - 20' roadway (1929)
200' Parker Through (pin-connected) - 18' rock asphalt (1922)
200' Parker Through - 18' concrete floor (1924)
200' Parker Through - 20' roadway (1932)
200' Parker Through - 20' roadway (1932) A

Pennsylvania Through Truss
140' Pennsylvania Through - 22' roadway (1934)

Pratt Pony Truss
70' Pratt Pony - 20' roadway (1928)

Pratt Through Truss
100' Pratt Through - 12' roadway (1927)
100' Pratt Through - 16' concrete floor (1924)
100' Pratt Through - 16' roadway (1924)
100' Pratt Through - 18' concrete floor (1924)
100' Pratt Through - 18' roadway (1922)
100' Pratt Through - 18' wood roadway (1924)
100' Pratt Through - 20' concrete floor (1927)
110' Pratt Through - 16' roadway (1922)
110' Pratt Through - 16' concrete floor (1925)
110' Pratt Through - 18' roadway (1922)
120' Pratt Through - 16' roadway (1922)
120' Pratt Through - 16' roadway (1928)
120' Pratt Through - 18' roadway (1922)
120' Pratt Through - 20' concrete floor (1924)
120' Pratt Through - 20' concrete roadway (1925)

Steel Multi-Beam
30' Steel Multi- Beam - 16' roadway (1923)
30' Steel Multi- Beam - 16' roadway (1925)
30' Steel Multi- Beam - 18' rock asphalt (1922)
30' Steel Multi- Beam - 18' roadway (1922)
30' Steel Multi- Beam - 20' roadway (1926)

Timber Trestle
19' Timber Trestle - 15' roadway (1928)
19' Timber Trestle - 17' roadway (1928)
19' Timber Trestle - 18' roadway (1928)
19' Timber Trestle - 19' roadway (1925)
19' Timber Trestle - 19' roadway (1928)
19' Timber Trestle - 21' roadway (1927)
19' Timber Trestle - 20' roadway (1928)

Warren Pony Truss
40' Warren Pony - 16' roadway (1922)
40' Warren Pony - 18' roadway (1922)
50' Warren Pony - 16' roadway (1924)
50' Warren Pony - 18' concrete floor (1924)
50' Warren Pony - 18' roadway (1922)
60' Warren Pony - 16' concrete floor (1924)
60' Warren Pony - 18' concrete floor (1924)
60' Warren Pony - 16' roadway (1922)
60' Warren Pony - 18' roadway (1929)
60' Warren Pony - 20' concrete floor (1927)
70' Warren Pony - 16' roadway (1925)
70' Warren Pony - 18' roadway (1922)
70' Warren Pony - 20' roadway (1927)
75' Warren Pony - 18' concrete floor (1925)
80' Warren Pony - 16' concrete floor (1924)
80' Warren Pony - 16' roadway (1922)
80' Warren Pony - 18' concrete floor (1924)
80' Warren Pony - 18' roadway (1922)
80' Warren Pony - 18' rock asphalt (1922)
90' Warren Pony - 16' roadway (1922)
90' Warren Pony - 18' roadway (1922)

 

 


 
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