US Bridges

Nfa A183 over Blackburn Fork Creek

Good

Jackson County, Tennessee · 4MI East of SR56 · Structure no. 440A1830001

Built
2013
12 years old
Condition
Good
inspected September 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
91 ft
1 main span
Daily traffic
20
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A183 over Blackburn Fork Creek is a prestressed concrete box beam or girders - single or spread carrying Nfa A183 over Blackburn Fork Creek in Jackson County, Tennessee. It was built in 2013, so it is 12 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 20 vehicles a day, roughly 2% of them trucks, projected to reach 32 by 2039. The structure is 91 ft (27.7 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNfa A183
CrossesBlackburn Fork Creek
Location4MI East of SR56
RouteCounty Highway 183
Coordinates36.23617, -85.57077
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating96.1 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length91 ft (27.7 m)
Longest span91 ft (27.7 m)
Deck width20 ft (6.2 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2020)
Projected traffic32 by 2039
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 A183 over Blackburn Fork Creek built?

It was built in 2013, making it 12 years old in 2025.

What condition is Nfa A183 over Blackburn Fork Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does Nfa A183 over Blackburn Fork Creek carry?

About 20 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A183 over Blackburn Fork Creek?

The structure is 91 ft (27.7 m) long with a longest span of 91 ft (27.7 m) and a deck 20 ft wide.

Who owns Nfa A183 over Blackburn Fork Creek?

It is owned by the County Highway Agency.