US Bridges

Nfa A712 over Bailey Branch

Fair

Lincoln County, Tennessee · 4.2 M. N. Mulberry. · Structure no. 520A7120003

Built
1960
65 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete Continuous
Length
44 ft
3 main spans
Daily traffic
100
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A712 over Bailey Branch is a concrete continuous culvert carrying Nfa A712 over Bailey Branch in Lincoln County, Tennessee. It was built in 1960, so it is 65 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 100 vehicles a day, roughly 2% of them trucks, projected to reach 160 by 2039. The structure is 44 ft (13.5 m) long and 28 ft wide.

CarriesNfa A712
CrossesBailey Branch
Location4.2 M. N. Mulberry.
RouteCounty Highway 712
Coordinates35.27541, -86.46541
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 10
Structure length44 ft (13.5 m)
Longest span13 ft (4 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2020)
Projected traffic160 by 2039
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 of existing bridge without deck rehabilitation
Estimated improvement cost$208,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A712 over Bailey Branch built?

It was built in 1960, making it 65 years old in 2025.

What condition is Nfa A712 over Bailey Branch 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 September 2023.

How much traffic does Nfa A712 over Bailey Branch carry?

About 100 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A712 over Bailey Branch?

The structure is 44 ft (13.5 m) long with a longest span of 13 ft (4 m) and a deck 28 ft wide.

Who owns Nfa A712 over Bailey Branch?

It is owned by the County Highway Agency.