US Bridges

FAS 347 over Mill Creek

Fair

Sullivan County, Tennessee · SW of Kingsport · Structure no. 82S24540005

Built
1950
75 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete Continuous
Length
68 ft
3 main spans
Daily traffic
1,602
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 347 over Mill Creek is a concrete continuous culvert carrying FAS 347 over Mill Creek in Sullivan 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 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 1,602 vehicles a day, roughly 1% of them trucks, projected to reach 2,150 by 2041. The structure is 68 ft (20.8 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesFAS 347
CrossesMill Creek
LocationSW of Kingsport
RouteState Highway 347
CountySullivan County
StateTennessee
Coordinates36.46862, -82.593
Functional classRural Minor Arterial

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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: 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 rating31.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 15
Structure length68 ft (20.8 m)
Longest span15 ft (4.6 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,602 (2021)
Projected traffic2,150 by 2041
Trucks1%
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$209,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 347 over Mill Creek built?

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

What condition is FAS 347 over Mill Creek 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 April 2023.

How much traffic does FAS 347 over Mill Creek carry?

About 1,602 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is FAS 347 over Mill Creek?

The structure is 68 ft (20.8 m) long with a longest span of 15 ft (4.6 m) and a deck 29 ft wide.

Who owns FAS 347 over Mill Creek?

It is owned by the State Highway Agency.