This GTA booklet enables track commanders of all branches and MOSs to rapidly determine whether a bridge is safe for their vehicles to cross with one lane traffic in the center of the bridge. This is not for bridge classification. Major topics within this booklet include: Concrete Slab – MLC 30; Concrete T-Beam – MLC 30; Timber Trestle – MLC 30; Steel Stringer w/Concrete Deck – MLC 30; Masonry Arch Bridge – MLC 30; Properties of Steel Stringers (Table); Concrete Slab – MLC 70; and Concrete T-Beam – MLC 70.
