US Bridges

Nfa A462 over Louise Creek

Fair

Montgomery County, Tennessee · 2 M. Sw. Cunningham. · Structure no. 630A4350005

Built
1975
50 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
160
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A462 over Louise Creek is a concrete continuous culvert carrying Nfa A462 over Louise Creek in Montgomery County, Tennessee. It was built in 1975, so it is 50 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 160 vehicles a day, roughly 2% of them trucks, projected to reach 256 by 2040. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesNfa A462
CrossesLouise Creek
Location2 M. Sw. Cunningham.
RouteCounty Highway 462
CountyMontgomery County
StateTennessee
Coordinates36.3699, -87.41164
Functional classRural Local

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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic160 (2020)
Projected traffic256 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 A462 over Louise Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is Nfa A462 over Louise 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 October 2024.

How much traffic does Nfa A462 over Louise Creek carry?

About 160 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A462 over Louise Creek?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns Nfa A462 over Louise Creek?

It is owned by the County Highway Agency.