US Bridges

Nfa A004 over Factory Creek

Good

Giles County, Tennessee · 11 M W of Lynnville · Structure no. 280A0040001

Built
1998
27 years old
Condition
Good
inspected February 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
160
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A004 over Factory Creek is a prestressed concrete box beam or girders - single or spread carrying Nfa A004 over Factory Creek in Giles County, Tennessee. It was built in 1998, so it is 27 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 160 vehicles a day, roughly 2% of them trucks, projected to reach 256 by 2042. The structure is 40 ft (12.2 m) long and 24 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesNfa A004
CrossesFactory Creek
Location11 M W of Lynnville
RouteCounty Highway 4
Coordinates35.35796, -87.20309
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.7 US tons
Inventory rating40.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span38 ft (11.5 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic160 (2020)
Projected traffic256 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-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 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 A004 over Factory Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is Nfa A004 over Factory 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 February 2024.

How much traffic does Nfa A004 over Factory Creek carry?

About 160 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A004 over Factory Creek?

The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.5 m) and a deck 24 ft wide.

Who owns Nfa A004 over Factory Creek?

It is owned by the County Highway Agency.