US Bridges

FAS 106 over Carlton Branch

Fair

Maury County, Tennessee · 5 Miles N.Of Lees Corner · Structure no. 60SR1060003

Built
1947
78 years old, rebuilt 2003
Condition
Fair
inspected March 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
44 ft
1 main span
Daily traffic
4,634
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 106 over Carlton Branch is a prestressed concrete box beam or girders - single or spread carrying FAS 106 over Carlton Branch in Maury County, Tennessee. It was built in 1947 and reconstructed in 2003, so it is 78 years old, older than the Tennessee average of 47.4 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 4,634 vehicles a day, roughly 10% of them trucks, projected to reach 8,016 by 2040. The structure is 44 ft (13.4 m) long and 37 ft wide. If it were closed, the detour would be 32.9 mi (53 km).

Location

Open in Google Maps
CarriesFAS 106
CrossesCarlton Branch
Location5 Miles N.Of Lees Corner
RouteU.S. Route 431
CountyMaury County
StateTennessee
Coordinates35.7047, -86.83525
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
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 rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length44 ft (13.4 m)
Longest span40 ft (12.2 m)
Deck width37 ft (11.4 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,634 (2021)
Projected traffic8,016 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed32.9 mi (53 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$158,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 106 over Carlton Branch built?

It was built in 1947, making it 78 years old in 2025. It was reconstructed in 2003.

What condition is FAS 106 over Carlton Branch 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 March 2024.

How much traffic does FAS 106 over Carlton Branch carry?

About 4,634 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is FAS 106 over Carlton Branch?

The structure is 44 ft (13.4 m) long with a longest span of 40 ft (12.2 m) and a deck 37 ft wide.

Who owns FAS 106 over Carlton Branch?

It is owned by the State Highway Agency.