US Bridges

Nfa A886 (sa 1616) over Eaton Branch

Fair

Coffee County, Tennessee · 4 MI from I24 · Structure no. 16S44000001

Built
1940
85 years old
Condition
Fair
inspected March 2024
Type
Tee Beam
Concrete
Length
38 ft
1 main span
Daily traffic
1,210
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A886 (sa 1616) over Eaton Branch is a concrete tee beam carrying Nfa A886 (sa 1616) over Eaton Branch in Coffee County, Tennessee. It was built in 1940, so it is 85 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 1,210 vehicles a day, roughly 1% of them trucks, projected to reach 1,936 by 2040. The structure is 38 ft (11.7 m) long and 22 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesNfa A886 (sa 1616)
CrossesEaton Branch
Location4 MI from I24
RouteCounty Highway 886
CountyCoffee County
StateTennessee
Coordinates35.53736, -86.10683
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length38 ft (11.7 m)
Longest span36 ft (11 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,210 (2020)
Projected traffic1,936 by 2040
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$221,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A886 (sa 1616) over Eaton Branch built?

It was built in 1940, making it 85 years old in 2025.

What condition is Nfa A886 (sa 1616) over Eaton 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 March 2024.

How much traffic does Nfa A886 (sa 1616) over Eaton Branch carry?

About 1,210 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Nfa A886 (sa 1616) over Eaton Branch?

The structure is 38 ft (11.7 m) long with a longest span of 36 ft (11 m) and a deck 22 ft wide.

Who owns Nfa A886 (sa 1616) over Eaton Branch?

It is owned by the County Highway Agency.