US Bridges

Lower Thomaston RD over Lake Tobesofkee

Fair

Bibb County, Georgia · 6 MI SW of Macon Cty Lmts · Structure no. 000000002101530

Built
1967
58 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
252 ft
4 main spans
Daily traffic
2,830
2024 count
Owner
County
County Highway Agency

About this bridge

Lower Thomaston RD over Lake Tobesofkee is a prestressed concrete stringer/multi-beam or girder carrying Lower Thomaston RD over Lake Tobesofkee in Bibb County, Georgia. It was built in 1967, so it is 58 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 5 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 2,830 vehicles a day, roughly 1% of them trucks, projected to reach 3,495 by 2032. The structure is 252 ft (76.8 m) long and 35 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesLower Thomaston RD
CrossesLake Tobesofkee
Location6 MI SW of Macon Cty Lmts
RouteCounty Highway 768
CountyBibb County
StateGeorgia
Coordinates32.83426, -83.81505
Functional classRural Major 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating58 US tons
Inventory rating34.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length252 ft (76.8 m)
Longest span63 ft (19.2 m)
Deck width35 ft (10.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,830 (2024)
Projected traffic3,495 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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$1.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Lower Thomaston RD over Lake Tobesofkee built?

It was built in 1967, making it 58 years old in 2025.

What condition is Lower Thomaston RD over Lake Tobesofkee 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 November 2023.

How much traffic does Lower Thomaston RD over Lake Tobesofkee carry?

About 2,830 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Lower Thomaston RD over Lake Tobesofkee?

The structure is 252 ft (76.8 m) long with a longest span of 63 ft (19.2 m) and a deck 35 ft wide.

Who owns Lower Thomaston RD over Lake Tobesofkee?

It is owned by the County Highway Agency.