US Bridges

Nfa A678 over Wet Weakley Creek

Good

Giles County, Tennessee · County Line RD in Giles · Structure no. 280A6780001

Built
1960
65 years old, rebuilt 1995
Condition
Good
inspected February 2024
Type
Culvert
Concrete Continuous
Length
32 ft
2 main spans
Daily traffic
10
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A678 over Wet Weakley Creek is a concrete continuous culvert carrying Nfa A678 over Wet Weakley Creek in Giles County, Tennessee. It was built in 1960 and reconstructed in 1995, so it is 65 years old, older 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 10 vehicles a day, roughly 1% of them trucks, projected to reach 16 by 2042. The structure is 32 ft (9.8 m) long and 12 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNfa A678
CrossesWet Weakley Creek
LocationCounty Line RD in Giles
RouteCounty Highway 678
Coordinates35.27004, -87.21442
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length32 ft (9.8 m)
Longest span11 ft (3.4 m)
Deck width12 ft (3.8 m)
Roadway width11 ft (3.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2020)
Projected traffic16 by 2042
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$170,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A678 over Wet Weakley Creek built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1995.

What condition is Nfa A678 over Wet 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 A678 over Wet Weakley Creek carry?

About 10 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Nfa A678 over Wet Weakley Creek?

The structure is 32 ft (9.8 m) long with a longest span of 11 ft (3.4 m) and a deck 12 ft wide.

Who owns Nfa A678 over Wet Weakley Creek?

It is owned by the County Highway Agency.