US Bridges

Nfa A046 over Weakley Creek

Good

Giles County, Tennessee · 6.5 M NW of Pulaski · Structure no. 280A0460001

Built
1983
42 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
137 ft
3 main spans
Daily traffic
120
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A046 over Weakley Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Nfa A046 over Weakley Creek in Giles County, Tennessee. It was built in 1983, so it is 42 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 120 vehicles a day, roughly 2% of them trucks, projected to reach 192 by 2042. The structure is 137 ft (41.7 m) long and 25 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesNfa A046
CrossesWeakley Creek
Location6.5 M NW of Pulaski
RouteCounty Highway 46
Coordinates35.23422, -87.14352
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 protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length137 ft (41.7 m)
Longest span45 ft (13.8 m)
Deck width25 ft (7.7 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 closed8.1 mi (13 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 A046 over Weakley Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is Nfa A046 over Weakley 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 A046 over Weakley Creek carry?

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

How long is Nfa A046 over Weakley Creek?

The structure is 137 ft (41.7 m) long with a longest span of 45 ft (13.8 m) and a deck 25 ft wide.

Who owns Nfa A046 over Weakley Creek?

It is owned by the County Highway Agency.