US Bridges

Ten Mile Bayou RD over Six Mile Bayou

Fair

Sharkey County, Mississippi · Sec 17 T10N R 5W B · Structure no. SA6300000000001

Built
1965
60 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
510 ft
9 main spans
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

Ten Mile Bayou RD over Six Mile Bayou is a prestressed concrete stringer/multi-beam or girder carrying Ten Mile Bayou RD over Six Mile Bayou in Sharkey County, Mississippi. It was built in 1965, so it is 60 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 50 vehicles a day, roughly 8% of them trucks, projected to reach 28 by 2043. The structure is 510 ft (155.4 m) long and 27 ft wide. If it were closed, the detour would be 41.6 mi (67 km).

Location

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CarriesTen Mile Bayou RD
CrossesSix Mile Bayou
LocationSec 17 T10N R 5W B
RouteCounty Highway 148
CountySharkey County
StateMississippi
Coordinates32.71524, -90.73658
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating58.2 US tons
Inventory rating34.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length510 ft (155.4 m)
Longest span70 ft (21.3 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic28 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed41.6 mi (67 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.3 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Ten Mile Bayou RD over Six Mile Bayou built?

It was built in 1965, making it 60 years old in 2025.

What condition is Ten Mile Bayou RD over Six Mile Bayou 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 October 2023.

How much traffic does Ten Mile Bayou RD over Six Mile Bayou carry?

About 50 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Ten Mile Bayou RD over Six Mile Bayou?

The structure is 510 ft (155.4 m) long with a longest span of 70 ft (21.3 m) and a deck 27 ft wide.

Who owns Ten Mile Bayou RD over Six Mile Bayou?

It is owned by the County Highway Agency.