US Bridges

Nfa A648 over Dry Weakley Creek

Good

Lawrence County, Tennessee · 3.9 M. E. Etheridge. · Structure no. 500A1930005

Built
1997
28 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete Continuous
Length
37 ft
3 main spans
Daily traffic
70
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A648 over Dry Weakley Creek is a concrete continuous culvert carrying Nfa A648 over Dry Weakley Creek in Lawrence County, Tennessee. It was built in 1997, so it is 28 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 70 vehicles a day, roughly 2% of them trucks, projected to reach 112 by 2042. The structure is 37 ft (11.4 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNfa A648
CrossesDry Weakley Creek
Location3.9 M. E. Etheridge.
RouteCounty Highway 648
Coordinates35.30657, -87.22462
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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.6 US tons
Inventory rating39.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length37 ft (11.4 m)
Longest span12 ft (3.7 m)
Deck width27 ft (8.2 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2020)
Projected traffic112 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 A648 over Dry Weakley Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is Nfa A648 over Dry 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 June 2023.

How much traffic does Nfa A648 over Dry Weakley Creek carry?

About 70 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A648 over Dry Weakley Creek?

The structure is 37 ft (11.4 m) long with a longest span of 12 ft (3.7 m) and a deck 27 ft wide.

Who owns Nfa A648 over Dry Weakley Creek?

It is owned by the County Highway Agency.