| NAME | STAAT | ORT | VERKEHR | QUERUNG | TYP | LAENGE | WEITE | HOEHE | BAUZEIT |
| Lahnbrücke | Deutschland | Wetzlar | Straße | Lahn | Bogenbrücke | 104 | 10,5 | | 1250-1280 |
| Lahnbrücke (Eisenbahn) | Deutschland | Lahnstein | Eisenbahn | Lahn | Bogenbrücke | | 80 | | 1968 |
| Lahnsteg | Deutschland | Kirschhofen | Weg | Lahn | Balkenbrücke | | | | |
| Lahnsteg | Deutschland | Marburg | Weg | Lahn | Rahmenbrücke | | | | |
| Lahntalbrücke | Deutschland | Limburg | Autobahn A3 | Lahn | Balkenbrücke | | | | 1961-1965 |
| Lahntalbrücke | Deutschland | Limburg | Eisenbahn (NBS) | Lahn | Bogenbrücke | 438 | 116 | 44 | 2001 |
| Lahor Bridge | Indonesien | | Eisenbahn | | Balkenbrücke | | | | |
| Lahovice Bridge | Tschechische Republik | Prag | Autobahn | Berounka | Balkenbrücke | 200 | 40 | | 2004 |
| Lai Chi Kok Viaduct | China | Hongkong | Straße | | Balkenbrücke | 4430 | | 45 | 2003-2007 |
| Laibin Bridge | China | Fuxian | Straße | Hongshuihe | Schrägseilbrücke | | 176 | | 1981 |
| Laibin Bridge | China | Laibin | Eisenbahn | Hongshuihe | Schrägseilbrücke | 398 | 96 | | 1981 |
| Laibin Bridge | China | Laibin | Straße | | Bogenbrücke | | 105 | | 1978 |
| Laira Bridge | Großbritannien | Plymouth | Straße | | Balkenbrücke | 250 | | | |
| Laira Railway Bridge | Großbritannien | Plymouth | Eisenbahn | | Balkenbrücke | 200 | 33 | | |
| Laita, Pont de | Frankreich | Quimperle | Straße | | Balkenbrücke | | | | |
| Laize Viadukt | Frankreich | Fresney-le-Puceux | Eisenbahn | | | | | | |
| Laja - San Rosendo Brücke | Chile | Laja - San Rosendo | Eisenbahn | | Balkenbrücke | 400 | | | |
| Lake Allatoona Bridges | USA | Emerson | Interstate 75 | Lake Allotoona | Balkenbrücke | | | | 1977 |
| Lake Belton Bridge | USA | Waco | Eisenbahn | Lake Waco | Balkenbrücke | | | | 2004 |
| Lake Billy Chinook Bridge | USA | Lake Billy Chinook | Straße | Lake Billy Chinook | Hängebrücke | | | | 1962 |
| Lake Ft. Gibson Bridge | USA | Wagoner | Straße OK 51 | Lake Ft. Gibson | Balkenbrücke | 350 | 64 | | 1949 |
| Lake Fuchu Bridge | Japan | | Straße | | Bogenbrücke | | | | |
| Lake Michigan Drive Bridge | USA | Chicago | Straße | | Balkenbrücke | | | | |
| Lake Natoma Crossing | USA | Folsom | Straße | Lake Natoma | Bogenbrücke | | | | 2000 |
| Lake Pichola Bridge | Indien | Uidapur | Straße | Lake Pichola | Bogenbrücke | | | | |
| Lake Pontchartrain Causeway | USA | Metairie - St.Tammany | Highway | Lake Pontchartrain | Balkenbrücke | 38624 | 45,7 | 15,2 | 1956/1969 |
| Lake Pontchartrain Causeway | USA | Slidell - Metairie | Interstate 10 | Lake Pontchartrain | Balkenbrücke | 8701 | | | 1963 |
| Lake Pontchartrain Trestle | USA | New Orleans - Slidell | Eisenbahn | Lake Pontchartrain | Balkenbrücke | 9980 | | | 1883 |
| Lake Ray Hubbard Bridge (Eastbound) | USA | Dallas | Straße | Lake Ray Hubbard | Balkenbrücke | 1328 | 30 | | 2003 |
| Lake Ray Hubbard Bridge (Westbound) | USA | Dallas | Straße | Lake Ray Hubbard | Balkenbrücke | 3133 | 30 | | 2003 |
| Lake Redding Bridge | USA | Redding | Straße | Sacramento River | Balkenbrücke | | | | 1996 |
| Lake Shasta Bridge | USA | | Straße | Lake Shasta | Balkenbrücke | | | | |
| Lake Shasta Bridge | USA | Lake Shasta | Interstate 5 | Lake Shasta | Balkenbrücke | | | | |
| Lake Shasta RR Bridge | USA | Lake Shasta | Eisenbahn | Lake Shasta | Balkenbrücke | | | | |
| Lake Street Bridge | USA | Minneapolis - St. Paul | Straße | Mississippi River | Bogenbrücke | 455 | 169,4 | 16,5 | 1992 |
| Lake Taneycomo Bridge | USA | Branson | Straße | Lake Taneycomo | Bogenbrücke | 331 | 59,3 | | 1931 |
| Lake Texoma Roosevelt Bridge | USA | | Straße | Washita River | Balkenbrücke | 3100 | 76,2 | | 19942 |
| Lake Washington Ship Canal Bridge | USA | Seattle | Interstate 5 | Lake Union | Balkenbrücke | 1350 | | | 1962 |
| Lakshman Jhula | Indien | Rishikesh | Weg | Ganges | Hängebrücke | 150 | | | 1929 |
| Lalleyriat, Pont de | Frankreich | Saint-Germain-de-Joux | Straße | Autoroute A40 | Balkenbrücke | 239 | 51 | | 1988 |
| Lalon Shah Bridge | Bangladesh | Paksey | Straße | | Auslegerbrücke | 1800 | 110 | | 2004 |
| Lamar Boulevard Bridge | USA | Austin | Straße | Town Lake | Bogenbrücke | 200 | | | 1942 |
| Lambeth Bridge | Großbritannien | London | Straße | Themse | Bogenbrücke | 236 | 50 | | 1929-1932 |
| Lambley Viaduct | Großbritannien | Lambley | Eisenbahn | North Tyne | Bogenbrücke | | | | |
| Lamia Viadukt | Griechenland | Lamia | Eisenbahn | | Balkenbrücke | | | | |
| Lamothe, Viaduc de | Frankreich | Souillac | Eisenbahn | Blagour | Balkenbrücke | 574 | 65 | 32 | 1895 |
| Lanaye, Pont de | Belgien | Lanaye | Straße | Canal Albert | Schrägseilbrücke | 232 | 177 | | 1985 |
| Lancang Bridge | China | | Straße | Lancang | Hängebrücke | 716 | | | |
| Lancashire & Yorkshire RW Viaduct | Großbritannien | Preston | Eisenbahn | Ribble | Balkenbrücke | | | | |
| Landak Bridge | Indonesien | Pontianak | Straße | Kapuas | Balkenbrücke | 303 | 59 | | |
| Landecker Brücke | Österreich | Landeck | Straße | Inn | Balkenbrücke | | | | 1966-1967 |
| Landore Railway Viaduct | Großbritannien | Swansea | Eisenbahn | Tawe | Balkenbrücke | | | | 1889 |
| Landquartbrücke | Schweiz | Klosters | Eisenbahn | Landquart | Balkenbrücke | 80 | 76 | | 1991-1993 |
| Landquartbrücke | Schweiz | Landquart-Au | Straße | Landquart | Bogenbrücke | | 134 | | 1993-1994 |
| Landrat-Petersen-Brücke | Deutschland | Eisbergen | Straße | Weser | Auslegerbrücke | | | | 1921-1922 |
| Landwasserviadukt | Schweiz | Filisur | Eisenbahn | Landwasser | Bogenbrücke | 142 | 20 | 65 | 1901-1902 |
| Lane Bane Bridge | USA | Brownsville | Straße | Monongahela | Balkenbrücke | 645 | | | 1958-1962 |
| Lanercost Bridge | Großbritannien | Lanercost | Straße | Irthing | Bogenbrücke | | | | 1724 |
| Lang Qiao Bridge | China | | | | Bogenbrücke | | | | |
| Langangen Bridge | Norwegen | Langangen | Straße | | Rahmenbrücke | 376 | 112 | 55 | 1979 |