US Bridges

FAU 4212 (sa 8235) over Back Creek

Good

Sullivan County, Tennessee · .3 MI West of SR 34 · Structure no. 820A2980001

Built
1965
60 years old
Condition
Good
inspected February 2024
Type
Culvert
Concrete Continuous
Length
40 ft
3 main spans
Daily traffic
5,222
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 4212 (sa 8235) over Back Creek is a concrete continuous culvert carrying FAU 4212 (sa 8235) over Back Creek in Sullivan County, Tennessee. It was built in 1965, so it is 60 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 5,222 vehicles a day, roughly 4% of them trucks, projected to reach 7,765 by 2042. The structure is 40 ft (12.2 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesFAU 4212 (sa 8235)
CrossesBack Creek
Location.3 MI West of SR 34
RouteCity Street 4212
Coordinates36.52437, -82.26328
Functional classUrban Minor Arterial

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 inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,222 (2021)
Projected traffic7,765 by 2042
Trucks4%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU 4212 (sa 8235) over Back Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is FAU 4212 (sa 8235) over Back Creek 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 February 2024.

How much traffic does FAU 4212 (sa 8235) over Back Creek carry?

About 5,222 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is FAU 4212 (sa 8235) over Back Creek?

The structure is 40 ft (12.2 m) long with a longest span of 13 ft (4 m).

Who owns FAU 4212 (sa 8235) over Back Creek?

It is owned by the City or Municipal Highway Agency.