US Bridges

Nfa 1221 (sa 7014) over Branch

PoorPosted for load

Polk County, Tennessee · .7 MI E JCT SR68&SR123 · Structure no. 70012210005

Built
1960
65 years old
Condition
Poor
inspected May 2024
Type
Culvert
Steel
Length
25 ft
2 main spans
Daily traffic
646
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1221 (sa 7014) over Branch is a steel culvert carrying Nfa 1221 (sa 7014) over Branch in Polk 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 646 vehicles a day, roughly 3% of them trucks, projected to reach 1,034 by 2042. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 9.9 mi (16 km).

CarriesNfa 1221 (sa 7014)
CrossesBranch
Location.7 MI E JCT SR68&SR123
RouteCounty Highway 1221
Coordinates35.12142, -84.31402
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: 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 rating31.4 US tons
Inventory rating19 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic646 (2021)
Projected traffic1,034 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$199,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1221 (sa 7014) over Branch built?

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

What condition is Nfa 1221 (sa 7014) over Branch in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.

How much traffic does Nfa 1221 (sa 7014) over Branch carry?

About 646 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1221 (sa 7014) over Branch?

The structure is 25 ft (7.6 m) long with a longest span of 10 ft (3 m).

Who owns Nfa 1221 (sa 7014) over Branch?

It is owned by the County Highway Agency.