US Bridges

Nfa 1578 (sa 1714) over Buck Creek

Fair

Crockett County, Tennessee · 1.5 MI N of Alamo · Structure no. 17015780001

Built
1984
41 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete Continuous
Length
32 ft
2 main spans
Daily traffic
448
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1578 (sa 1714) over Buck Creek is a concrete continuous culvert carrying Nfa 1578 (sa 1714) over Buck Creek in Crockett County, Tennessee. It was built in 1984, so it is 41 years old, younger 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 448 vehicles a day, roughly 3% of them trucks, projected to reach 717 by 2042. The structure is 32 ft (9.7 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa 1578 (sa 1714)
CrossesBuck Creek
Location1.5 MI N of Alamo
RouteCounty Highway 1578
Coordinates35.81, -89.12236
Functional classRural Minor Collector

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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length32 ft (9.7 m)
Longest span15 ft (4.6 m)
Deck width26 ft (8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic448 (2021)
Projected traffic717 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 1578 (sa 1714) over Buck Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is Nfa 1578 (sa 1714) over Buck 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 May 2024.

How much traffic does Nfa 1578 (sa 1714) over Buck Creek carry?

About 448 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1578 (sa 1714) over Buck Creek?

The structure is 32 ft (9.7 m) long with a longest span of 15 ft (4.6 m) and a deck 26 ft wide.

Who owns Nfa 1578 (sa 1714) over Buck Creek?

It is owned by the County Highway Agency.