隧道凈寬10.25m,凈高5.0m,軸線起止樁號(hào)為K37+350~K39+710,中心樁號(hào)K38+530,長(zhǎng)2360m,屬長(zhǎng)隧道,洞軸線為曲線型,隧道軸向146°~134°,軸線地面標(biāo)高507.76m~751.63m,設(shè)計(jì)路面標(biāo)高507.82m~545.71m,進(jìn)洞口設(shè)計(jì)高程545.71m,出洞口設(shè)計(jì)高程507.82m,進(jìn)出洞口設(shè)計(jì)高程高差37.89m,路面縱坡坡度為-1.9%