US Bridges

Nfa A674 over Cove Creek

FairPosted for load

Greene County, Tennessee · .7 M S of SR70-SR107 JCT · Structure no. 300A6740001

Built
1945
80 years old, rebuilt 1991
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
36 ft
2 main spans
Daily traffic
10
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A674 over Cove Creek is a steel stringer/multi-beam or girder carrying Nfa A674 over Cove Creek in Greene County, Tennessee. It was built in 1945 and reconstructed in 1991, so it is 80 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. Its operating status is: posted for load restriction.

It carries about 10 vehicles a day, roughly 2% of them trucks, projected to reach 16 by 2042. The structure is 36 ft (11.1 m) long and 14 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesNfa A674
CrossesCove Creek
Location.7 M S of SR70-SR107 JCT
RouteCounty Highway 674
CountyGreene County
StateTennessee
Coordinates36.02402, -82.84444
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating32.8 US tons
Inventory rating20 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans2
Design loadH 15
Structure length36 ft (11.1 m)
Longest span18 ft (5.6 m)
Deck width14 ft (4.4 m)
Roadway width14 ft (4.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2020)
Projected traffic16 by 2042
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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$233,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A674 over Cove Creek built?

It was built in 1945, making it 80 years old in 2025. It was reconstructed in 1991.

What condition is Nfa A674 over Cove 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 March 2023.

How much traffic does Nfa A674 over Cove Creek carry?

About 10 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A674 over Cove Creek?

The structure is 36 ft (11.1 m) long with a longest span of 18 ft (5.6 m) and a deck 14 ft wide.

Who owns Nfa A674 over Cove Creek?

It is owned by the County Highway Agency.