US Bridges

Nfa 1070 (sa 8006) over Branch

Good

Smith County, Tennessee · 2.5 MI NE JCT SR24&WILSON · Structure no. 80010700003

Built
1950
75 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
808
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1070 (sa 8006) over Branch is a concrete continuous culvert carrying Nfa 1070 (sa 8006) over Branch in Smith County, Tennessee. It was built in 1950, so it is 75 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 808 vehicles a day, roughly 3% of them trucks, projected to reach 1,418 by 2042. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesNfa 1070 (sa 8006)
CrossesBranch
Location2.5 MI NE JCT SR24&WILSON
RouteCounty Highway 1070
CountySmith County
StateTennessee
Coordinates36.28505, -86.10625
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length27 ft (8.2 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic808 (2021)
Projected traffic1,418 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 1070 (sa 8006) over Branch built?

It was built in 1950, making it 75 years old in 2025.

What condition is Nfa 1070 (sa 8006) over Branch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does Nfa 1070 (sa 8006) over Branch carry?

About 808 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1070 (sa 8006) over Branch?

The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.7 m).

Who owns Nfa 1070 (sa 8006) over Branch?

It is owned by the County Highway Agency.