US Bridges

Back Road over Ditch

Fair

Tallahatchie County, Mississippi · Sec 17 T26N R 2E · Structure no. SA6800000000120

Built
1980
45 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
46 ft
3 main spans
Daily traffic
5
2018 count
Owner
County
County Highway Agency

About this bridge

Back Road over Ditch is a wood or timber stringer/multi-beam or girder carrying Back Road over Ditch in Tallahatchie County, Mississippi. It was built in 1980, so it is 45 years old, older than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: open, temporary structure in place while original is closed.

It carries about 5 vehicles a day, roughly 8% of them trucks, projected to reach 8 by 2038. The structure is 46 ft (14 m) long and 16 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesBack Road
CrossesDitch
LocationSec 17 T26N R 2E
RouteCounty Highway 149
CountyTallahatchie County
StateMississippi
Coordinates34.12428, -90.10951
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusOpen, temporary structure in place while original is closed
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadH 10
Structure length46 ft (14 m)
Longest span16 ft (4.9 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2018)
Projected traffic8 by 2038
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$127,000 (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Back Road over Ditch built?

It was built in 1980, making it 45 years old in 2025.

What condition is Back Road over Ditch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.

How much traffic does Back Road over Ditch carry?

About 5 vehicles per day (2018 count), of which roughly 8% are trucks.

How long is Back Road over Ditch?

The structure is 46 ft (14 m) long with a longest span of 16 ft (4.9 m) and a deck 16 ft wide.

Who owns Back Road over Ditch?

It is owned by the County Highway Agency.