US Bridges

Nfa A104 over Carters Creek

Fair

Maury County, Tennessee · 5 M.N. Columbia. · Structure no. 600A1040001

Built
1965
60 years old, rebuilt 2017
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
54 ft
1 main span
Daily traffic
710
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A104 over Carters Creek is a concrete box beam or girders - multiple carrying Nfa A104 over Carters Creek in Maury County, Tennessee. It was built in 1965 and reconstructed in 2017, so it is 60 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 710 vehicles a day, roughly 2% of them trucks, projected to reach 1,136 by 2040. The structure is 54 ft (16.5 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNfa A104
CrossesCarters Creek
Location5 M.N. Columbia.
RouteCounty Highway 104
Coordinates35.6904, -87.00909
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length54 ft (16.5 m)
Longest span51 ft (15.5 m)
Deck width28 ft (8.6 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic710 (2020)
Projected traffic1,136 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 A104 over Carters Creek built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2017.

What condition is Nfa A104 over Carters 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 April 2024.

How much traffic does Nfa A104 over Carters Creek carry?

About 710 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A104 over Carters Creek?

The structure is 54 ft (16.5 m) long with a longest span of 51 ft (15.5 m) and a deck 28 ft wide.

Who owns Nfa A104 over Carters Creek?

It is owned by the County Highway Agency.