US Bridges

Nfa A166 (sa 5526) over Coon Creek

Fair

McNairy County, Tennessee · 3 MI S of Chester Co. · Structure no. 550A1660001

Built
1979
46 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete Continuous
Length
40 ft
3 main spans
Daily traffic
107
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa A166 (sa 5526) over Coon Creek is a concrete continuous culvert carrying Nfa A166 (sa 5526) over Coon Creek in McNairy County, Tennessee. It was built in 1979, so it is 46 years old, younger 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 107 vehicles a day, roughly 4% of them trucks, projected to reach 208 by 2040. The structure is 40 ft (12.2 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNfa A166 (sa 5526)
CrossesCoon Creek
Location3 MI S of Chester Co.
RouteCounty Highway 1624
Coordinates35.37073, -88.40675
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57.1 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadUnknown
Structure length40 ft (12.2 m)
Longest span12 ft (3.7 m)
Deck width36 ft (11.1 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic107 (2021)
Projected traffic208 by 2040
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A166 (sa 5526) over Coon Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is Nfa A166 (sa 5526) over Coon Creek 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 Nfa A166 (sa 5526) over Coon Creek carry?

About 107 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Nfa A166 (sa 5526) over Coon Creek?

The structure is 40 ft (12.2 m) long with a longest span of 12 ft (3.7 m) and a deck 36 ft wide.

Who owns Nfa A166 (sa 5526) over Coon Creek?

It is owned by the County Highway Agency.