Karnak Railroad Bridge
(Pulaski County, Illinois)

Plaque

Built by
The King Bridge Co.
1905
Cleveland, Ohio.

Keefer Covered Bridge
(Montour County, Pennsylvania)

Rehabilitation plaque

Keesler Bridge
(Leflore County, Mississippi)

Plaque

Kelly Road Bridge
(Macoupin County, Illinois)

Plaque

1917
Built by
State of Illinois
and
Macoupin County
Design and supervision by
State Highway Dept.
---
L.C. Kesler, Contractor
Ellis Bridge
Route 6 Section E

Keystone Bridge
(Park County, Colorado)

Plaque

Keystone Bridge Co
Pittsburgh Pa.

Kuntz Bridge
(Callaway County, Missouri)

Plaque

1909
Stupp Bro's
Bridge & Iron Co.
St. Louis, Mo.
W. R. Terry, Pres. Judge
J. H. Trigg and T. W. Herring, Associate Judges
W. R. Taylor, Co. Clerk
H. C. D. Halley, Highway Eng.
[Photo submitted by huck (at) finn.com]

Labadie Bottom Road Bridge
(Franklin County, Missouri)

Plaque

1901
Built by
Stupp Bro's
Bridge & Iron Co.
St. Louis Mo.

Lafave River Arch Bridge
(Perry County, Arkansas)

Plaque

Lafayette Street Bridge
(Washington County, Arkansas)

Plaque

Laflin Bridge
(Bollinger County, Missouri)

Plaque

1908
Stupp Bro's
Bridge & Iron
- Co. -
F. M. Wells Pres. Judge
M. S. Gladish Associate Judge
H. Mungle   '   '   '   '   ' 
Wm Abernathy County Clerk
D. R. Sample Co. Surveyor

Lake City Bridge
(Craighead County, Arkansas)

Plaque

St. Francis River
Vincennes Bridge Co.
Contractor.
Arkansas
State Highway Commission
Jas.R. Rhyne, Director
N.B. Garver, Bridge Engineer
1934

Lake Taneycomo Bridge
(Taney County, Missouri)

Builder's plaque

Fred Luttjohann
Contractor
Topeka, Kansas

Lake Taneycomo Bridge
(Taney County, Missouri)

State plaque

Missouri
Highway Dept
Bridge No J 705
1931

Lamine River Katy Trail Bridge
(Cooper County, Missouri)

Main span plaque

Built
by
King Bridge
Company
Cleveland, O.
1910

Lamine River Katy Trail Bridge
(Cooper County, Missouri)

Approach span plaque

Built by
King Bridge
Company
Cleveland, O.
1909

Lamine River Old US 50 Bridge
(Cooper County, Missouri)

Plaque

Missouri
Highway Dept.
Bridge No. J-72
1930

Laroque Bridge
(Addison County, Vermont)

Plaque

Larson Road Bridge
(Orange County, New York)

Plaque

American Bridge
Company
U.S.A. 1930

Lexington Avenue Bridge
(Elkhart County, Indiana)

Plaque

Lexington Bridge
(Lafayette County, Missouri)

Plaque

1924
Lexington Bridge
Built by
Lafayette County Ray County
City of Lexington
General Aid Appropriated By
Missouri State Highway Commission
----
Designed by
J.A.L. Waddell
Consulting Engineer
New York N.Y. & Kansas City, Mo.
----
Supervised by
Missouri State Highway Commission
B.H. Piepmeier Chief Engineer
----
Contractor
Kansas City Bridge Co.
Kansas City Mo.

Liberty Street Bridge
(Clay County, Missouri)

Missing plaque

Little Bonne Femme Katy Trail Bridge
(Boone County, Missouri)

Plaque

Built by
A&P Roberts Company
Pencoyd Iron Works
Pencoyd, Pa. U.S.A.
1898

Little Cossatot River Bridge
(Sevier County, Arkansas)

HAER photo: Plaque

This photo from the Historic American Engineering Record, taken July 1988 by Jeff Holder, shows the plaque

Morava
Construction Co.
Chicago
1908

Little Muncy Creek PA 442 Bridge
(Lycoming County, Pennsylvania)

Plaque

Little Zion Bridge
(Madison County, Missouri)

Plaque

Missouri
Highway Dept
Bridge No. F.540
1922