US Bridges

SR 363 over Ditch

Good

Lee County, Mississippi · 0.7 MI E SR 145 · Structure no. 310036304102000

Built
1992
33 years old
Condition
Good
inspected November 2024
Type
Channel Beam
Concrete
Length
31 ft
1 main span
Daily traffic
4,000
2023 count
Owner
State
State Highway Agency

About this bridge

SR 363 over Ditch is a concrete channel beam carrying SR 363 over Ditch in Lee County, Mississippi. It was built in 1992, so it is 33 years old, younger than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,000 vehicles a day, roughly 11% of them trucks, projected to reach 4,000 by 2043. The structure is 31 ft (9.4 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 363
CrossesDitch
Location0.7 MI E SR 145
RouteState Highway 363
Coordinates34.37677, -88.68498
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.9 US tons
Inventory rating35.3 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span31 ft (9.4 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,000 (2023)
Projected traffic4,000 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$171 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 363 over Ditch built?

It was built in 1992, making it 33 years old in 2025.

What condition is SR 363 over Ditch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does SR 363 over Ditch carry?

About 4,000 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is SR 363 over Ditch?

The structure is 31 ft (9.4 m) long with a longest span of 31 ft (9.4 m) and a deck 31 ft wide.

Who owns SR 363 over Ditch?

It is owned by the State Highway Agency.