US Bridges

Nfa A649 over N Fork of Forked Deer

Good

Gibson County, Tennessee · 1.8 MI SW JCT SR43&SR187 · Structure no. 270A6490001

Built
2014
11 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete Continuous
Length
39 ft
2 main spans
Daily traffic
40
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A649 over N Fork of Forked Deer is a concrete continuous culvert carrying Nfa A649 over N Fork of Forked Deer in Gibson County, Tennessee. It was built in 2014, so it is 11 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 40 vehicles a day, roughly 2% of them trucks, projected to reach 64 by 2042. The structure is 39 ft (11.9 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNfa A649
CrossesN Fork of Forked Deer
Location1.8 MI SW JCT SR43&SR187
RouteCounty Highway 649
Coordinates35.86636, -88.77178
Functional classUrban 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 inspectionJuly 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 rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length39 ft (11.9 m)
Longest span18 ft (5.5 m)
Deck width30 ft (9 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2020)
Projected traffic64 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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A649 over N Fork of Forked Deer built?

It was built in 2014, making it 11 years old in 2025.

What condition is Nfa A649 over N Fork of Forked Deer 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 July 2023.

How much traffic does Nfa A649 over N Fork of Forked Deer carry?

About 40 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A649 over N Fork of Forked Deer?

The structure is 39 ft (11.9 m) long with a longest span of 18 ft (5.5 m) and a deck 30 ft wide.

Who owns Nfa A649 over N Fork of Forked Deer?

It is owned by the County Highway Agency.