US Bridges

SR 7 over Ditch Ag Underpass

Good

Lafayette County, Mississippi · 1.9 MI N SR 30 · Structure no. 310000703612280

Built
1981
44 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
8,200
2023 count
Owner
State
State Highway Agency

About this bridge

SR 7 over Ditch Ag Underpass is a concrete culvert carrying SR 7 over Ditch Ag Underpass in Lafayette County, Mississippi. It was built in 1981, so it is 44 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 8,200 vehicles a day, roughly 5% of them trucks, projected to reach 11,000 by 2043. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 49.7 mi (80 km).

CarriesSR 7
CrossesDitch Ag Underpass
Location1.9 MI N SR 30
RouteState Highway 7
Coordinates34.41105, -89.49526
Functional classRural Principal Arterial - Other

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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length27 ft (8.2 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 traffic8,200 (2023)
Projected traffic11,000 by 2043
Trucks5%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 km)
TollOn a free road
National Highway SystemYes

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 7 over Ditch Ag Underpass built?

It was built in 1981, making it 44 years old in 2025.

What condition is SR 7 over Ditch Ag Underpass 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 July 2024.

How much traffic does SR 7 over Ditch Ag Underpass carry?

About 8,200 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is SR 7 over Ditch Ag Underpass?

The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.7 m).

Who owns SR 7 over Ditch Ag Underpass?

It is owned by the State Highway Agency.