Bridge Formula Adwinnsɛm

Federal Bridge Gross Weight Formula (23 CFR 658.17) hyɛ nsɛn kuo biara mu hyehyɛ anim a ɛfata ntam a ɛda nsɛn no ntam — na ɛnyɛ nsɛn no dodow nko. Ɛwɔ hɔ sɛ ɛmpam nsɛn mu hyehyɛ a ɛyɛ den a ɛbɛsɛe abɔnten wɔ US interstate system mu, na ɛda so wɔ 80,000 lb gross vehicle weight apuei anim, na ɛnyɛ sɛ ɛbɛfa ne ho.

Nkyerɛase a ɛyɛ den yɛ sɛ, lori a ɛhyɛ mu yie no nso wɔ scale no so wɔbɛkyerɛw wo fɔ: nneɛma hyehyɛ anim no kɔsi 80,000 lb, nanso nsɛn kuo biara — akyire yi, drive tandem anaa ntam a ɛda drive ne trailer tandems ntam no — hyɛ boro hyɛ anim a ntam no ma. Sisiw trailer tandem no akyire kakraa bɛma ɛyɛ den sɛ wubɛyɛ no, ɛfiri sɛ ɛbɛma ntam a formula no de di dwuma no ayɛ kɛse.

Nsɛm a ɛma wo nsɛn mu hyehyɛ anim a ɛfata mmara no yɛ den

Bridge Formula nkyerɛase

Apotwae no bɛyɛ 500 lb a ɛfata. Nsɛn baako no hyehyɛ anim no bɛyɛ 20,000 lb daa, na tandem (2-nsɛn) kuo no bɛyɛ 34,000 lb sɛ ɛyɛ den na formula no bɛma ɛyɛ kɛse sen saa — apuei a ɛwɔ hɔ dedaw ne formula no nyinaa da so, na deɛ ɛyɛ ketewa no na ɛdi dwuma.

Dɛn na ɛbɛyɛ sɛ nsɛn kuo bi hyehyɛ boro apuei a ɛfata mmara no?

Bridge formula abu no yɛ nsɛm foforo a wɔkyerɛw wɔ nneɛma hyehyɛ anim a ɛboro apuei no ho, na apɔnkye no da so wɔ nsɛn kuo biara so, na ɛbɛyɛ den sɛ nsɛn kuo bebree bɛboro apuei no. Ɛfiri sɛ nhwɛso no yɛ sɛ wosiw trailer no sliding tandem — ɛho hia sɛ wɔsesa nneɛma no — ɛyɛ den sɛ wuhwehwɛ ansa na wubefi adwumayɛ mu, na mmom wuhwehwɛ ansa na scale no bɛkyerɛ sɛ ɛboro apuei. Apɔnkye ne mmara a wɔdi dwuma no yɛ den wɔ amantam biara mu, enti yɛ den sɛ wuhwehwɛ wɔ DOT a ɛfa kwan no ho no so sɛ wobɛsesa nneɛma a ɛbɛn apuei no.