US Bridges

Nfa 1089 (sa 8020) over Branch

Fair

Smith County, Tennessee · 2.6 MI SW JCT SR80&MACON · Structure no. 80S62130001

Built
1955
70 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete Continuous
Length
67 ft
3 main spans
Daily traffic
167
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1089 (sa 8020) over Branch is a concrete continuous culvert carrying Nfa 1089 (sa 8020) over Branch in Smith County, Tennessee. It was built in 1955, so it is 70 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 167 vehicles a day, roughly 3% of them trucks, projected to reach 195 by 2041. The structure is 67 ft (20.4 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa 1089 (sa 8020)
CrossesBranch
Location2.6 MI SW JCT SR80&MACON
RouteCounty Highway 1089
Coordinates36.39353, -85.9609
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating41.8 US tons
Inventory rating24.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 15
Structure length67 ft (20.4 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic167 (2021)
Projected traffic195 by 2041
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 1089 (sa 8020) over Branch built?

It was built in 1955, making it 70 years old in 2025.

What condition is Nfa 1089 (sa 8020) over 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 June 2023.

How much traffic does Nfa 1089 (sa 8020) over Branch carry?

About 167 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1089 (sa 8020) over Branch?

The structure is 67 ft (20.4 m) long with a longest span of 15 ft (4.6 m).

Who owns Nfa 1089 (sa 8020) over Branch?

It is owned by the County Highway Agency.