US Bridges

SR 15 over Ditch

Good

Newton County, Mississippi · 2.9 MI N I 20 · Structure no. 310001505113760

Built
1970
55 years old
Condition
Good
inspected February 2025
Type
Culvert
Concrete
Length
34 ft
2 main spans
Daily traffic
8,900
2023 count
Owner
State
State Highway Agency

About this bridge

SR 15 over Ditch is a concrete culvert carrying SR 15 over Ditch in Newton County, Mississippi. It was built in 1970, so it is 55 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 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 8,900 vehicles a day, roughly 13% of them trucks, projected to reach 8,900 by 2043. The structure is 34 ft (10.4 m) long. If it were closed, the detour would be 18 mi (29 km).

CarriesSR 15
CrossesDitch
Location2.9 MI N I 20
RouteState Highway 15
Coordinates32.37945, -89.11943
Functional classRural 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.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.7 US tons
Inventory rating38.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span16 ft (4.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,900 (2023)
Projected traffic8,900 by 2043
Trucks13%
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 15 over Ditch built?

It was built in 1970, making it 55 years old in 2025.

What condition is SR 15 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 February 2025.

How much traffic does SR 15 over Ditch carry?

About 8,900 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is SR 15 over Ditch?

The structure is 34 ft (10.4 m) long with a longest span of 16 ft (4.9 m).

Who owns SR 15 over Ditch?

It is owned by the State Highway Agency.