US Bridges

Nfa 1892 (sa 6032) over Little Bigby Creek

Fair

Maury County, Tennessee · 10 M S of Columbia · Structure no. 600A3240001

Built
1996
29 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete Continuous
Length
67 ft
3 main spans
Daily traffic
400
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1892 (sa 6032) over Little Bigby Creek is a concrete continuous culvert carrying Nfa 1892 (sa 6032) over Little Bigby Creek in Maury County, Tennessee. It was built in 1996, so it is 29 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 400 vehicles a day, roughly 3% of them trucks, projected to reach 464 by 2040. The structure is 67 ft (20.4 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa 1892 (sa 6032)
CrossesLittle Bigby Creek
Location10 M S of Columbia
RouteCounty Highway 1892
Coordinates35.48147, -87.09647
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 protection8 Very GoodNo problems noted.
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length67 ft (20.4 m)
Longest span18 ft (5.5 m)
Deck width28 ft (8.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2021)
Projected traffic464 by 2040
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 statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$104,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1892 (sa 6032) over Little Bigby Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is Nfa 1892 (sa 6032) over Little Bigby 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 1892 (sa 6032) over Little Bigby Creek carry?

About 400 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1892 (sa 6032) over Little Bigby Creek?

The structure is 67 ft (20.4 m) long with a longest span of 18 ft (5.5 m) and a deck 28 ft wide.

Who owns Nfa 1892 (sa 6032) over Little Bigby Creek?

It is owned by the County Highway Agency.