US Bridges

Nfa 5566 (sa 3911) over Big Sandy River

Fair

Henderson County, Tennessee · 1.3 MI S of I40 · Structure no. 39S80390007

Built
1957
68 years old
Condition
Fair
inspected May 2024
Type
Tee Beam
Concrete
Length
242 ft
1 main span
Daily traffic
1,146
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 5566 (sa 3911) over Big Sandy River is a concrete tee beam carrying Nfa 5566 (sa 3911) over Big Sandy River in Henderson County, Tennessee. It was built in 1957, so it is 68 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 1,146 vehicles a day, roughly 3% of them trucks, projected to reach 1,856 by 2040. The structure is 242 ft (73.9 m) long and 29 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesNfa 5566 (sa 3911)
CrossesBig Sandy River
Location1.3 MI S of I40
RouteCounty Highway 5566
CountyHenderson County
StateTennessee
Coordinates35.78253, -88.36692
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30 US tons
Inventory rating22.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1 (+7 approach)
Design loadH 15
Structure length242 ft (73.9 m)
Longest span43 ft (13.1 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,146 (2021)
Projected traffic1,856 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$650,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 5566 (sa 3911) over Big Sandy River built?

It was built in 1957, making it 68 years old in 2025.

What condition is Nfa 5566 (sa 3911) over Big Sandy 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 May 2024.

How much traffic does Nfa 5566 (sa 3911) over Big Sandy River carry?

About 1,146 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 5566 (sa 3911) over Big Sandy River?

The structure is 242 ft (73.9 m) long with a longest span of 43 ft (13.1 m) and a deck 29 ft wide.

Who owns Nfa 5566 (sa 3911) over Big Sandy River?

It is owned by the County Highway Agency.