US Bridges

Nfa A463 over Carr Creek

Good

Macon County, Tennessee · 6 M SW of Lafayette · Structure no. 560A4630003

Built
2009
16 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete Continuous
Length
57 ft
3 main spans
Daily traffic
170
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A463 over Carr Creek is a concrete continuous culvert carrying Nfa A463 over Carr Creek in Macon County, Tennessee. It was built in 2009, so it is 16 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 170 vehicles a day, roughly 1% of them trucks, projected to reach 272 by 2042. The structure is 57 ft (17.3 m) long and 38 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

CarriesNfa A463
CrossesCarr Creek
Location6 M SW of Lafayette
RouteCounty Highway 463
Coordinates36.48087, -86.12376
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.
Culvert8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum 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 spans3
Design loadHS 20 + Mod
Structure length57 ft (17.3 m)
Longest span18 ft (5.5 m)
Deck width38 ft (11.6 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic170 (2020)
Projected traffic272 by 2042
Trucks1%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 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 A463 over Carr Creek built?

It was built in 2009, making it 16 years old in 2025.

What condition is Nfa A463 over Carr 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 September 2023.

How much traffic does Nfa A463 over Carr Creek carry?

About 170 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Nfa A463 over Carr Creek?

The structure is 57 ft (17.3 m) long with a longest span of 18 ft (5.5 m) and a deck 38 ft wide.

Who owns Nfa A463 over Carr Creek?

It is owned by the County Highway Agency.