US Bridges

SR 475 over Ditch

Good

Rankin County, Mississippi · 0.7 MI N SR 468 · Structure no. 310047506100070

Built
1979
46 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
37 ft
2 main spans
Daily traffic
11,000
2023 count
Owner
State
State Highway Agency

About this bridge

SR 475 over Ditch is a concrete culvert carrying SR 475 over Ditch in Rankin County, Mississippi. It was built in 1979, so it is 46 years old, older 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 11,000 vehicles a day, roughly 2% of them trucks, projected to reach 11,000 by 2043. The structure is 37 ft (11.3 m) long. If it were closed, the detour would be 9.9 mi (16 km).

CarriesSR 475
CrossesDitch
Location0.7 MI N SR 468
RouteState Highway 475
Coordinates32.24686, -90.07996
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating30.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,000 (2023)
Projected traffic11,000 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 475 over Ditch built?

It was built in 1979, making it 46 years old in 2025.

What condition is SR 475 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 October 2024.

How much traffic does SR 475 over Ditch carry?

About 11,000 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is SR 475 over Ditch?

The structure is 37 ft (11.3 m) long with a longest span of 12 ft (3.7 m).

Who owns SR 475 over Ditch?

It is owned by the State Highway Agency.