US Bridges

Back Road over Drainage Ditch

Poor

Tallahatchie County, Mississippi · Sec 8 T26N R 2E · Structure no. SA6800000000116

Built
1980
45 years old
Condition
Poor
inspected August 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
22 ft
1 main span
Daily traffic
5
2015 count
Owner
County
County Highway Agency

About this bridge

Back Road over Drainage Ditch is a wood or timber stringer/multi-beam or girder carrying Back Road over Drainage 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. 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 2035. The structure is 22 ft (6.7 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesBack Road
CrossesDrainage Ditch
LocationSec 8 T26N R 2E
RouteCounty Highway 149
Coordinates34.14003, -90.10925
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadH 10
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2015)
Projected traffic8 by 2035
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed3.7 mi (6 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$118,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Back Road over Drainage Ditch built?

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

What condition is Back Road over Drainage Ditch in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does Back Road over Drainage Ditch carry?

About 5 vehicles per day (2015 count), of which roughly 8% are trucks.

How long is Back Road over Drainage Ditch?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 20 ft wide.

Who owns Back Road over Drainage Ditch?

It is owned by the County Highway Agency.