US Bridges

FAS 77 over Branch

FairPosted for load

Carroll County, Tennessee · 3.5 Mi.S.Of Henry Co. · Structure no. 09SR0770027

Built
1959
66 years old
Condition
Fair
inspected July 2023
Type
Channel Beam
Concrete
Length
45 ft
2 main spans
Daily traffic
979
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 77 over Branch is a concrete channel beam carrying FAS 77 over Branch in Carroll County, Tennessee. It was built in 1959, so it is 66 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 979 vehicles a day, roughly 5% of them trucks, projected to reach 1,565 by 2042. The structure is 45 ft (13.7 m) long and 29 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

CarriesFAS 77
CrossesBranch
Location3.5 Mi.S.Of Henry Co.
RouteState Highway 77
Coordinates36.10706, -88.33928
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating32.8 US tons
Inventory rating25.4 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadH 15
Structure length45 ft (13.7 m)
Longest span28 ft (8.5 m)
Deck width29 ft (8.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic979 (2021)
Projected traffic1,565 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$349,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 77 over Branch built?

It was built in 1959, making it 66 years old in 2025.

What condition is FAS 77 over 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 July 2023.

How much traffic does FAS 77 over Branch carry?

About 979 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAS 77 over Branch?

The structure is 45 ft (13.7 m) long with a longest span of 28 ft (8.5 m) and a deck 29 ft wide.

Who owns FAS 77 over Branch?

It is owned by the State Highway Agency.