US Bridges

Nfa A013 over Smith Fork Creek

PoorPosted for load

DeKalb County, Tennessee · 5MI East of SR53 · Structure no. 210A0500001

Built
2007
18 years old
Condition
Poor
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
292 ft
3 main spans
Daily traffic
170
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A013 over Smith Fork Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Nfa A013 over Smith Fork Creek in DeKalb County, Tennessee. It was built in 2007, so it is 18 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 170 vehicles a day, roughly 1% of them trucks, projected to reach 272 by 2042. The structure is 292 ft (89 m) long and 32 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesNfa A013
CrossesSmith Fork Creek
Location5MI East of SR53
RouteCounty Highway 13
Coordinates36.03472, -85.93839
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.5 US tons
Inventory rating25.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length292 ft (89 m)
Longest span105 ft (32 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic170 (2020)
Projected traffic272 by 2042
Trucks1%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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$2.2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A013 over Smith Fork Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is Nfa A013 over Smith Fork Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2023.

How much traffic does Nfa A013 over Smith Fork Creek carry?

About 170 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Nfa A013 over Smith Fork Creek?

The structure is 292 ft (89 m) long with a longest span of 105 ft (32 m) and a deck 32 ft wide.

Who owns Nfa A013 over Smith Fork Creek?

It is owned by the County Highway Agency.