US Bridges

M.L.K. Road over Big Slough Trib

Fair

Mitchell County, Georgia · App 2 Miles North Northwe · Structure no. 000000020550230

Built
1970
55 years old, rebuilt 2002
Condition
Fair
inspected August 2024
Type
Channel Beam
Prestressed Concrete
Length
140 ft
7 main spans
Daily traffic
801
2024 count
Owner
County
County Highway Agency

About this bridge

M.L.K. Road over Big Slough Trib is a prestressed concrete channel beam carrying M.L.K. Road over Big Slough Trib in Mitchell County, Georgia. It was built in 1970 and reconstructed in 2002, so it is 55 years old, older than the Georgia average of 47.5 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 801 vehicles a day, roughly 1% of them trucks, projected to reach 960 by 2031. The structure is 140 ft (42.7 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesM.L.K. Road
CrossesBig Slough Trib
LocationApp 2 Miles North Northwe
RouteCounty Highway 118
StateGeorgia
Coordinates31.25672, -84.22232
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.9 US tons
Inventory rating30 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans7
Design loadH 15
Structure length140 ft (42.7 m)
Longest span20 ft (6.1 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic801 (2024)
Projected traffic960 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedNone recorded
Estimated improvement cost$821,000
NavigationNo navigation control on waterway

Frequently asked questions

When was M.L.K. Road over Big Slough Trib built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2002.

What condition is M.L.K. Road over Big Slough Trib 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 M.L.K. Road over Big Slough Trib carry?

About 801 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is M.L.K. Road over Big Slough Trib?

The structure is 140 ft (42.7 m) long with a longest span of 20 ft (6.1 m) and a deck 25 ft wide.

Who owns M.L.K. Road over Big Slough Trib?

It is owned by the County Highway Agency.