US Bridges

Nfa A084 over Basshan Creek

Good

Maury County, Tennessee · 6 M. N. Columbia · Structure no. 600A0840001

Built
1940
85 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
290
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A084 over Basshan Creek is a concrete continuous culvert carrying Nfa A084 over Basshan Creek in Maury County, Tennessee. It was built in 1940, so it is 85 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 290 vehicles a day, roughly 2% of them trucks, projected to reach 464 by 2040. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 6.8 mi (11 km).

CarriesNfa A084
CrossesBasshan Creek
Location6 M. N. Columbia
RouteCounty Highway 84
Coordinates35.70275, -87.01643
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic290 (2020)
Projected traffic464 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 A084 over Basshan Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is Nfa A084 over Basshan 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 A084 over Basshan Creek carry?

About 290 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A084 over Basshan Creek?

The structure is 27 ft (8.2 m) long with a longest span of 13 ft (4 m).

Who owns Nfa A084 over Basshan Creek?

It is owned by the County Highway Agency.