US Bridges

Nfa B027 over Little Bigby Creek

Fair

Maury County, Tennessee · 6 M. W. Culleoka. · Structure no. 600B0270001

Built
1935
90 years old
Condition
Fair
inspected May 2024
Type
Arch - Deck
Concrete
Length
41 ft
1 main span
Daily traffic
190
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa B027 over Little Bigby Creek is a concrete arch - deck carrying Nfa B027 over Little Bigby Creek in Maury County, Tennessee. It was built in 1935, so it is 90 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 190 vehicles a day, roughly 2% of them trucks, projected to reach 304 by 2040. The structure is 41 ft (12.5 m) long and 18 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNfa B027
CrossesLittle Bigby Creek
Location6 M. W. Culleoka.
RouteCounty Highway 27
Coordinates35.47783, -87.09745
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length41 ft (12.5 m)
Longest span40 ft (12.2 m)
Deck width18 ft (5.4 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic190 (2020)
Projected traffic304 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$215,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa B027 over Little Bigby Creek built?

It was built in 1935, making it 90 years old in 2025.

What condition is Nfa B027 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 B027 over Little Bigby Creek carry?

About 190 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa B027 over Little Bigby Creek?

The structure is 41 ft (12.5 m) long with a longest span of 40 ft (12.2 m) and a deck 18 ft wide.

Who owns Nfa B027 over Little Bigby Creek?

It is owned by the County Highway Agency.