US Bridges

Nfa A184 over Nfa A184/I40

Good

Madison County, Tennessee · 3.9 MI SE JCT SR1&SR152 · Structure no. 57I00400047

Built
1960
65 years old
Condition
Good
inspected April 2023
Type
Tee Beam
Concrete Continuous
Length
255 ft
4 main spans
Daily traffic
320
2020 count
Owner
State
State Highway Agency

About this bridge

Nfa A184 over Nfa A184/I40 is a concrete continuous tee beam carrying Nfa A184 over Nfa A184/I40 in Madison County, Tennessee. It was built in 1960, 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 320 vehicles a day, roughly 4% of them trucks, projected to reach 512 by 2041. The structure is 255 ft (77.7 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesNfa A184
CrossesNfa A184/I40
Location3.9 MI SE JCT SR1&SR152
RouteCounty Highway 184
CountyMadison County
StateTennessee
Coordinates35.70875, -88.66317
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.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating22.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length255 ft (77.7 m)
Longest span75 ft (22.9 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic320 (2020)
Projected traffic512 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.7 million (2021 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nfa A184 over Nfa A184/I40 built?

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

What condition is Nfa A184 over Nfa A184/I40 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 April 2023.

How much traffic does Nfa A184 over Nfa A184/I40 carry?

About 320 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Nfa A184 over Nfa A184/I40?

The structure is 255 ft (77.7 m) long with a longest span of 75 ft (22.9 m) and a deck 28 ft wide.

Who owns Nfa A184 over Nfa A184/I40?

It is owned by the State Highway Agency.