US Bridges

SR 505 over Ditch

Good

Newton County, Mississippi · 5.4 MI S US 80 · Structure no. 310050505100120

Built
1976
49 years old
Condition
Good
inspected January 2025
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
210
2023 count
Owner
State
State Highway Agency

About this bridge

SR 505 over Ditch is a concrete culvert carrying SR 505 over Ditch in Newton County, Mississippi. It was built in 1976, so it is 49 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 210 vehicles a day, roughly 29% of them trucks, projected to reach 210 by 2043. The structure is 23 ft (7 m) long. If it were closed, the detour would be 18 mi (29 km).

CarriesSR 505
CrossesDitch
Location5.4 MI S US 80
RouteState Highway 505
Coordinates32.24724, -89.24413
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110 US tons
Inventory rating81.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic210 (2023)
Projected traffic210 by 2043
Trucks29%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 505 over Ditch built?

It was built in 1976, making it 49 years old in 2025.

What condition is SR 505 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 January 2025.

How much traffic does SR 505 over Ditch carry?

About 210 vehicles per day (2023 count), of which roughly 29% are trucks.

How long is SR 505 over Ditch?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m).

Who owns SR 505 over Ditch?

It is owned by the State Highway Agency.