US Bridges

Nfa 873 (sa 5704) over Lackey Creek

Fair

Madison County, Tennessee · 4.3 MI SW JCT SR5&SR18 · Structure no. 57S80570005

Built
1950
75 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete Continuous
Length
47 ft
2 main spans
Daily traffic
1,098
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 873 (sa 5704) over Lackey Creek is a concrete continuous culvert carrying Nfa 873 (sa 5704) over Lackey Creek in Madison County, Tennessee. It was built in 1950, so it is 75 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,098 vehicles a day, roughly 1% of them trucks, projected to reach 2,112 by 2041. The structure is 47 ft (14.3 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesNfa 873 (sa 5704)
CrossesLackey Creek
Location4.3 MI SW JCT SR5&SR18
RouteCounty Highway 873
CountyMadison County
StateTennessee
Coordinates35.54458, -88.88667
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating31.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length47 ft (14.3 m)
Longest span15 ft (4.6 m)
Deck width28 ft (8.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,098 (2021)
Projected traffic2,112 by 2041
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$155,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 873 (sa 5704) over Lackey Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is Nfa 873 (sa 5704) over Lackey Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2023.

How much traffic does Nfa 873 (sa 5704) over Lackey Creek carry?

About 1,098 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Nfa 873 (sa 5704) over Lackey Creek?

The structure is 47 ft (14.3 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.

Who owns Nfa 873 (sa 5704) over Lackey Creek?

It is owned by the County Highway Agency.