Interstate 110 (Mississippi)

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Interstate 110

I-110 highlighted in red
Route information
Auxiliary route of I-10
Maintained by MDOT
Length4.10 mi[1] (6.60 km)
NHSEntire route
Major junctions
South end US 90 in Biloxi
North end I-10 / MS 15 / MS 67 in D'Iberville
CountryUnited States
Highway system
US 98 MS 145

Interstate 110 (I-110) is a 4.1-mile (6.6 km) freeway spur route in Biloxi, Mississippi, running south from I-10 to U.S. Route 90 (US 90). It is one of very few places on the Interstate Highway System utilizing a drawbridge. The southbound control city is Biloxi, with a series of bridges out over the Gulf of Mexico at the southern terminus. There is no northbound control city; the road is marked with trailblazers reading "TO I-10" instead. It ran entirely concurrently with Mississippi Highway 15 (MS 15), until MS 15 was truncated to I-10.

The route of I-110 is defined in Mississippi Code Annotated § 65-3-3.

Route description

I-110 bridges over the Gulf of Mexico where it meets its terminus at US 90

I-110 begins at an interchange with US 90 on the Gulf of Mexico in Biloxi. The ramps to and from US 90 eastbound pass over the gulf and the beach. From US 90, the ramps from eastbound US 90 and from westbound US 90 merge, and the route heads north as a four-lane freeway through residential and commercial areas, passing over CSX's NO&M Subdivision railroad line. The highway comes to a southbound exit and northbound entrance serving Division Street. Farther north, I-110 comes to a southbound exit and northbound entrance with Bayview Avenue. After this, the freeway crosses the Biloxi Bay on a drawbridge into D'Iberville. Here, the road comes to a diverging diamond interchange with Rodriguez Street and continues north through areas of homes and businesses. I-110 reaches its northern terminus at a cloverleaf interchange with I-10, at which point the road continues north as MS 15/MS 67.[2][3]


Completed in the late 1980s, it is the latest interstate to be numbered I-110.

In 2012, Mississippi Department of Transportation (MDOT) officials started a project to extend I-110 past the Sangani Boulevard intersection across the Tchoutacabouffa River back into Biloxi city proper to end at an intersection with Brandon James Drive. The extension would include a new overpass for Sangani Boulevard/Promanade Parkway and a new interstate-grade intersection between I-110 and Sangani/Promanade. The project was slated to be completed in the middle of 2013.

Exit list

The entire route is in Harrison County.

Biloxi0.000.001A-B US 90 – Gulfport, Keesler AFB, Ocean SpringsSouthern terminus; signed as exits 1A (east) and 1B (west)
0.631.011CDivision StreetSouthbound exit and northbound entrance
1.211.951DBayview AvenueSouthbound exit and northbound entrance
3.635.844APopps Ferry Road / Big Ridge RoadNorthbound exit and southbound entrance
4.106.604 I-10 – Pascagoula, Mobile, Gulfport, New Orleans

MS 15 / MS 67 north
Northern terminus; signed as exits 4B (east) and 4C (west) northbound; I-10 exits 46A-B; roadway continues as MS 15/MS 67
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


  1. ^ Adderly, Kevin (January 30, 2018). "Table 2: Auxiliary Routes of the Dwight D. Eisenhower National System of Interstate and Defense Highways as of December 31, 2017". Route Log and Finder List. Federal Highway Administration. Retrieved March 30, 2018.
  2. ^ Mississippi Department of Transportation (2018). Official State Highway Map Mississippi (PDF) (Map). Scale not given. Jackson: Mississippi Department of Transportation. Gulf Coast Area inset. Retrieved March 30, 2018.
  3. ^ Google (March 23, 2011). "Overview of Interstate 110" (Map). Google Maps. Google. Retrieved March 23, 2011.

External links