US Bridges

Boiling Springs RD over Piney Fork Creek

Fair

Montgomery County, Tennessee · 540-522 · Structure no. DAPFORCAT000026

Built
1968
57 years old
Condition
Fair
inspected November 2024
Type
Tee Beam
Concrete
Length
132 ft
4 main spans
Daily traffic
500
2024 count
Owner
Federal
Army

About this bridge

Boiling Springs RD over Piney Fork Creek is a concrete tee beam carrying Boiling Springs RD over Piney Fork Creek in Montgomery County, Tennessee. It was built in 1968, so it is 57 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 500 vehicles a day, roughly 40% of them trucks, projected to reach 500 by 2046. The structure is 132 ft (40.2 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesBoiling Springs RD
CrossesPiney Fork Creek
Location540-522
Coordinates36.61635, -87.51434
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.7 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length132 ft (40.2 m)
Longest span33 ft (10.2 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2024)
Projected traffic500 by 2046
Trucks40%
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

OwnerArmy
Maintained byArmy
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$2,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Boiling Springs RD over Piney Fork Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is Boiling Springs RD over Piney Fork 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 November 2024.

How much traffic does Boiling Springs RD over Piney Fork Creek carry?

About 500 vehicles per day (2024 count), of which roughly 40% are trucks.

How long is Boiling Springs RD over Piney Fork Creek?

The structure is 132 ft (40.2 m) long with a longest span of 33 ft (10.2 m) and a deck 26 ft wide.

Who owns Boiling Springs RD over Piney Fork Creek?

It is owned by the Army.