US Bridges

Nfa A327 over Murfrees Fork Creek

FairPosted for load

Williamson County, Tennessee · 4.5 MI SW JCT SR6&SR248 · Structure no. 940A3270001

Built
1950
75 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
36 ft
2 main spans
Daily traffic
50
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A327 over Murfrees Fork Creek is a steel stringer/multi-beam or girder carrying Nfa A327 over Murfrees Fork Creek in Williamson 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, roughly 2% of them trucks, projected to reach 80 by 2042. The structure is 36 ft (11 m) long and 13 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNfa A327
CrossesMurfrees Fork Creek
Location4.5 MI SW JCT SR6&SR248
RouteCounty Highway 327
Coordinates35.81913, -86.95945
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating13.9 US tons
Inventory rating11 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length36 ft (11 m)
Longest span18 ft (5.5 m)
Deck width13 ft (4.1 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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$467,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A327 over Murfrees Fork Creek built?

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

What condition is Nfa A327 over Murfrees 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 May 2023.

How much traffic does Nfa A327 over Murfrees Fork Creek carry?

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

How long is Nfa A327 over Murfrees Fork Creek?

The structure is 36 ft (11 m) long with a longest span of 18 ft (5.5 m) and a deck 13 ft wide.

Who owns Nfa A327 over Murfrees Fork Creek?

It is owned by the City or Municipal Highway Agency.