Interstate Highway 110

Southern Terminus:

At US 90 in Biloxi, Harrison County

Northern Terminus:

At I-10/MS 15 in D'Iberville, Harrison County


4.3 miles

Counties Served:


Cities/Towns Over 5,000 Population:

Biloxi, D'Iberville

Highway Duplexes:

MS 15

6+ lane segments:


MDOT's Vision 21 System:

Low Priority from US 90 to D'Iberville/Exit 2
High Priority from D'Iberville/Exit 2 to I-10

Average Annual Daily Traffic Ranges (2004)

Harrison County:

30,000 (Estimated, N of US 90)
54,000 (Across the Back Bay of Biloxi)
42,000 (S of I-10)

Current/Upcoming Projects Listed in the STIP

No projects listed.

Froggie's Notes:

- I-110 is a spur route connecting central parts of Biloxi (along the Gulf Coast) to I-10 (a few miles inland).  The route also serves commuter/military traffic going to and from Keesler AFB.  One of the few drawbridges on the Interstate system spans the "Back Bay of Biloxi", completed in the early 1980s.  Most of I-110 through Biloxi was not completed until the late 1980s.
- I-110 has one of only two overpasses over the CSX railroad mainline (a busy east-west railroad) in Harrison County.  However, heading north away from the beach, there is no way to exit I-110 until one crosses the "Back Bay" into D'Iberville.

Froggie Suggests:

- Widen to 6 lanes plus some auxiliary lanes.
- Add a U-turn ramp to go from the northbound off-ramp back to the southbound on-ramp at D'Iberville/Exit 2.
- Consider the feasibility of adding ramps to/from the south at Bayview Ave and also at Popps Ferry Rd/Big Ridge Rd.
- Interchange improvements and ramp additions as needed.

Terminus Photographs:

Southern terminus

Eastbound on U.S. 90 at the joint southern terminus of I-110 and MS 15 (which duplexes for all 4 miles of I-110).  Photo by Alex Nitzman, taken in September, 2000.

No photographs available for northern terminus

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Last Updated:  May 28, 2005

(C) 2005, Adam Froehlig