Structural design manual for improved inlets and culverts.
Contributors: United States. Federal Highway Administration.; Simpson, Gumpertz & Heger.
Publisher: U.S. Dept. of Transportation, Federal Highway Administration; National Technical Information Service [distributor
Published: 1983
Place of publication: [Washington, D.C. ?]; Springfield, Va
Language: eng
Number of pages: 338
Subjects: Culverts -- Design and construction -- Data processing.; Road drainage.
Notes: Cover title.

"Simpson, Gumpertz and Heger, Inc."--1st prelim, p.

"June 1983."

"Report no. FHWA-IP-83-6."

Final report. 11/79 - 9/82.

Contract no. DOT-FH-11-9692.