US Bridges

Nfa A099 (sa 6913) over Wolf River

Fair

Pickett County, Tennessee · Southwest of SR28 · Structure no. 690A0990001

Built
1994
31 years old
Condition
Fair
inspected January 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
186 ft
3 main spans
Daily traffic
120
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A099 (sa 6913) over Wolf River is a prestressed concrete continuous box beam or girders - single or spread carrying Nfa A099 (sa 6913) over Wolf River in Pickett County, Tennessee. It was built in 1994, so it is 31 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.

It carries about 120 vehicles a day, roughly 2% of them trucks, projected to reach 192 by 2042. The structure is 186 ft (56.6 m) long and 24 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesNfa A099 (sa 6913)
CrossesWolf River
LocationSouthwest of SR28
RouteCounty Highway 99
Coordinates36.56291, -85.07542
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56.4 US tons
Inventory rating33.6 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length186 ft (56.6 m)
Longest span70 ft (21.3 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2020)
Projected traffic192 by 2042
Trucks2%
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 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 A099 (sa 6913) over Wolf River built?

It was built in 1994, making it 31 years old in 2025.

What condition is Nfa A099 (sa 6913) over Wolf River 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 January 2024.

How much traffic does Nfa A099 (sa 6913) over Wolf River carry?

About 120 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A099 (sa 6913) over Wolf River?

The structure is 186 ft (56.6 m) long with a longest span of 70 ft (21.3 m) and a deck 24 ft wide.

Who owns Nfa A099 (sa 6913) over Wolf River?

It is owned by the County Highway Agency.