US Bridges

Nfa A003 (sa 0604) over Black Fox Creek

FairPosted for load

Bradley County, Tennessee · 2MI West of SR60 · Structure no. 06022590005

Built
1940
85 years old
Condition
Fair
inspected October 2023
Type
Slab
Concrete
Length
27 ft
2 main spans
Daily traffic
750
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A003 (sa 0604) over Black Fox Creek is a concrete slab carrying Nfa A003 (sa 0604) over Black Fox Creek in Bradley 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 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 750 vehicles a day, roughly 1% of them trucks, projected to reach 1,200 by 2042. The structure is 27 ft (8.2 m) long and 25 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesNfa A003 (sa 0604)
CrossesBlack Fox Creek
Location2MI West of SR60
RouteCounty Highway 3
CountyBradley County
StateTennessee
Coordinates35.08473, -84.92233
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating17.2 US tons
Inventory rating10.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span13 ft (4 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2020)
Projected traffic1,200 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$470,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A003 (sa 0604) over Black Fox Creek built?

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

What condition is Nfa A003 (sa 0604) over Black Fox 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 October 2023.

How much traffic does Nfa A003 (sa 0604) over Black Fox Creek carry?

About 750 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Nfa A003 (sa 0604) over Black Fox Creek?

The structure is 27 ft (8.2 m) long with a longest span of 13 ft (4 m) and a deck 25 ft wide.

Who owns Nfa A003 (sa 0604) over Black Fox Creek?

It is owned by the County Highway Agency.