US Bridges

FAS 116 over Flat Branch

FairPosted for load

Anderson County, Tennessee · 4.46 Mi.Campbell Co. Line · Structure no. 01SR1160011

Built
1970
55 years old
Condition
Fair
inspected January 2025
Type
Channel Beam
Concrete
Length
24 ft
1 main span
Daily traffic
226
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 116 over Flat Branch is a concrete channel beam carrying FAS 116 over Flat Branch in Anderson County, Tennessee. It was built in 1970, so it is 55 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 226 vehicles a day, roughly 5% of them trucks, projected to reach 322 by 2042. The structure is 24 ft (7.3 m) long and 22 ft wide. If it were closed, the detour would be 77.7 mi (125 km).

Location

Open in Google Maps
CarriesFAS 116
CrossesFlat Branch
Location4.46 Mi.Campbell Co. Line
RouteState Highway 116
CountyAnderson County
StateTennessee
Coordinates36.1709, -84.2758
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating17.2 US tons
Inventory rating13.2 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadH 15
Structure length24 ft (7.3 m)
Longest span23 ft (6.9 m)
Deck width22 ft (6.6 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic226 (2021)
Projected traffic322 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed77.7 mi (125 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$425,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 116 over Flat Branch built?

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

What condition is FAS 116 over Flat 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 January 2025.

How much traffic does FAS 116 over Flat Branch carry?

About 226 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAS 116 over Flat Branch?

The structure is 24 ft (7.3 m) long with a longest span of 23 ft (6.9 m) and a deck 22 ft wide.

Who owns FAS 116 over Flat Branch?

It is owned by the State Highway Agency.