US Bridges

Nfa 963 (sa 4119) over Overflow Duck River

Fair

Hickman County, Tennessee · 2 M North of Shady Grove · Structure no. 41F04950001

Built
1960
65 years old
Condition
Fair
inspected September 2023
Type
Tee Beam
Concrete
Length
90 ft
3 main spans
Daily traffic
370
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 963 (sa 4119) over Overflow Duck River is a concrete tee beam carrying Nfa 963 (sa 4119) over Overflow Duck River in Hickman County, Tennessee. It was built in 1960, so it is 65 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 370 vehicles a day, roughly 3% of them trucks, projected to reach 539 by 2041. The structure is 90 ft (27.4 m) long and 26 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesNfa 963 (sa 4119)
CrossesOverflow Duck River
Location2 M North of Shady Grove
RouteCounty Highway 963
Coordinates35.753, -87.28239
Functional classRural Minor 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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating27.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length90 ft (27.4 m)
Longest span30 ft (9.1 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic370 (2021)
Projected traffic539 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$598,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 963 (sa 4119) over Overflow Duck River built?

It was built in 1960, making it 65 years old in 2025.

What condition is Nfa 963 (sa 4119) over Overflow Duck River 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 September 2023.

How much traffic does Nfa 963 (sa 4119) over Overflow Duck River carry?

About 370 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 963 (sa 4119) over Overflow Duck River?

The structure is 90 ft (27.4 m) long with a longest span of 30 ft (9.1 m) and a deck 26 ft wide.

Who owns Nfa 963 (sa 4119) over Overflow Duck River?

It is owned by the County Highway Agency.