US Bridges

Nfa 928 (sa 8921) over Cove Creek

FairPosted for load

Warren County, Tennessee · 3MI West of SR 56 · Structure no. 89S43980001

Built
1996
29 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete Continuous
Length
55 ft
2 main spans
Daily traffic
625
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 928 (sa 8921) over Cove Creek is a concrete continuous culvert carrying Nfa 928 (sa 8921) over Cove Creek in Warren County, Tennessee. It was built in 1996, so it is 29 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. Its operating status is: posted for load restriction.

It carries about 625 vehicles a day, roughly 3% of them trucks, projected to reach 672 by 2039. The structure is 55 ft (16.8 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesNfa 928 (sa 8921)
CrossesCove Creek
Location3MI West of SR 56
RouteCounty Highway 928
CountyWarren County
StateTennessee
Coordinates35.55527, -85.75066
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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length55 ft (16.8 m)
Longest span25 ft (7.6 m)
Deck width33 ft (10.2 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic625 (2021)
Projected traffic672 by 2039
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 928 (sa 8921) over Cove Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is Nfa 928 (sa 8921) 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 May 2023.

How much traffic does Nfa 928 (sa 8921) over Cove Creek carry?

About 625 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 928 (sa 8921) over Cove Creek?

The structure is 55 ft (16.8 m) long with a longest span of 25 ft (7.6 m) and a deck 33 ft wide.

Who owns Nfa 928 (sa 8921) over Cove Creek?

It is owned by the County Highway Agency.