US Bridges

Nfa A571 over Carter Creek

Good

Maury County, Tennessee · 4 M. Sw. Spring Hill. · Structure no. 600A5710001

Built
2011
14 years old
Condition
Good
inspected April 2024
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
92 ft
2 main spans
Daily traffic
120
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A571 over Carter Creek is a concrete continuous box beam or girders - single or spread carrying Nfa A571 over Carter Creek in Maury County, Tennessee. It was built in 2011, so it is 14 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 120 vehicles a day, roughly 2% of them trucks, projected to reach 192 by 2042. The structure is 92 ft (28 m) long and 17 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesNfa A571
CrossesCarter Creek
Location4 M. Sw. Spring Hill.
RouteCounty Highway 571
Coordinates35.72753, -86.98835
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
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

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length92 ft (28 m)
Longest span46 ft (14 m)
Deck width17 ft (5.3 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2020)
Projected traffic192 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 A571 over Carter Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is Nfa A571 over Carter 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 April 2024.

How much traffic does Nfa A571 over Carter Creek carry?

About 120 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A571 over Carter Creek?

The structure is 92 ft (28 m) long with a longest span of 46 ft (14 m) and a deck 17 ft wide.

Who owns Nfa A571 over Carter Creek?

It is owned by the County Highway Agency.