US Bridges

Nfa A379 over Standing Rock Creek

Fair

Stewart County, Tennessee · 1.5MI.W. of Mulberry Hill · Structure no. 810A3300001

Built
1929
96 years old
Condition
Fair
inspected March 2024
Type
Arch - Deck
Concrete
Length
99 ft
1 main span
Daily traffic
50
2020 count
Owner
State
State Park, Forest, or Reservation Agency

About this bridge

Nfa A379 over Standing Rock Creek is a concrete arch - deck carrying Nfa A379 over Standing Rock Creek in Stewart County, Tennessee. It was built in 1929, so it is 96 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 5 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 50 vehicles a day, roughly 2% of them trucks, projected to reach 80 by 2042. The structure is 99 ft (30.2 m) long and 15 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesNfa A379
CrossesStanding Rock Creek
Location1.5MI.W. of Mulberry Hill
RouteCounty Highway 379
CountyStewart County
StateTennessee
Coordinates36.43687, -87.99841
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length99 ft (30.2 m)
Longest span99 ft (30.2 m)
Deck width15 ft (4.6 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2020)
Projected traffic80 by 2042
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Park, Forest, or Reservation Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$559,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A379 over Standing Rock Creek built?

It was built in 1929, making it 96 years old in 2025.

What condition is Nfa A379 over Standing Rock 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 March 2024.

How much traffic does Nfa A379 over Standing Rock Creek carry?

About 50 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A379 over Standing Rock Creek?

The structure is 99 ft (30.2 m) long with a longest span of 99 ft (30.2 m) and a deck 15 ft wide.

Who owns Nfa A379 over Standing Rock Creek?

It is owned by the State Park, Forest, or Reservation Agency and maintained by the State Highway Agency.