US Bridges

FAP 100 over Branch

Fair

Decatur County, Tennessee · 6.2 Mi.Sw.Of Decaturville · Structure no. 20SR1000003

Built
1930
95 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete Continuous
Length
27 ft
3 main spans
Daily traffic
3,081
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 100 over Branch is a concrete continuous culvert carrying FAP 100 over Branch in Decatur County, Tennessee. It was built in 1930, so it is 95 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 3,081 vehicles a day, roughly 5% of them trucks, projected to reach 4,640 by 2042. The structure is 27 ft (8.2 m) long and 33 ft wide. If it were closed, the detour would be 47.2 mi (76 km).

Location

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CarriesFAP 100
CrossesBranch
Location6.2 Mi.Sw.Of Decaturville
RouteState Highway 100
CountyDecatur County
StateTennessee
Coordinates35.53419, -88.22967
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating21.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length27 ft (8.2 m)
Longest span8 ft (2.4 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,081 (2021)
Projected traffic4,640 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed47.2 mi (76 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$115,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 100 over Branch built?

It was built in 1930, making it 95 years old in 2025.

What condition is FAP 100 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 December 2023.

How much traffic does FAP 100 over Branch carry?

About 3,081 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAP 100 over Branch?

The structure is 27 ft (8.2 m) long with a longest span of 8 ft (2.4 m) and a deck 33 ft wide.

Who owns FAP 100 over Branch?

It is owned by the State Highway Agency.