US Bridges

SR 1 over Ditch #6

Good

Washington County, Mississippi · 0.4 MI N SR 454 · Structure no. 310000107606000

Built
1995
30 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
90 ft
3 main spans
Daily traffic
8,600
2023 count
Owner
State
State Highway Agency

About this bridge

SR 1 over Ditch #6 is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 1 over Ditch #6 in Washington County, Mississippi. It was built in 1995, so it is 30 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 8,600 vehicles a day, roughly 3% of them trucks, projected to reach 8,600 by 2043. The structure is 90 ft (27.4 m) long and 83 ft wide. If it were closed, the detour would be 31.7 mi (51 km).

CarriesSR 1
CrossesDitch #6
Location0.4 MI N SR 454
RouteState Highway 1
Coordinates33.31968, -91.04414
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.8 US tons
Inventory rating49.6 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length90 ft (27.4 m)
Longest span30 ft (9.1 m)
Deck width83 ft (25.3 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,600 (2023)
Projected traffic8,600 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.7 mi (51 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 1 over Ditch #6 built?

It was built in 1995, making it 30 years old in 2025.

What condition is SR 1 over Ditch #6 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 December 2024.

How much traffic does SR 1 over Ditch #6 carry?

About 8,600 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is SR 1 over Ditch #6?

The structure is 90 ft (27.4 m) long with a longest span of 30 ft (9.1 m) and a deck 83 ft wide.

Who owns SR 1 over Ditch #6?

It is owned by the State Highway Agency.