US Bridges

FAP 50 over Boat Branch

Fair

Hickman County, Tennessee · 1.6 Mi.Nw.Of Shady Grove · Structure no. 41SR0500023

Built
1939
86 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
2,848
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 50 over Boat Branch is a concrete culvert carrying FAP 50 over Boat Branch in Hickman County, Tennessee. It was built in 1939, so it is 86 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.

It carries about 2,848 vehicles a day, roughly 5% of them trucks, projected to reach 4,557 by 2042. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 78.3 mi (126 km).

CarriesFAP 50
CrossesBoat Branch
Location1.6 Mi.Nw.Of Shady Grove
RouteState Highway 50
Coordinates35.7466, -87.30385
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
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
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 typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span23 ft (7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,848 (2021)
Projected traffic4,557 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed78.3 mi (126 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$329,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 50 over Boat Branch built?

It was built in 1939, making it 86 years old in 2025.

What condition is FAP 50 over Boat 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 August 2024.

How much traffic does FAP 50 over Boat Branch carry?

About 2,848 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAP 50 over Boat Branch?

The structure is 24 ft (7.3 m) long with a longest span of 23 ft (7 m).

Who owns FAP 50 over Boat Branch?

It is owned by the State Highway Agency.