US Bridges

Nfa A328 over Murfrees Fork Creek

Fair

Williamson County, Tennessee · 4.3 MI SW JCT SR6&SR248 · Structure no. 940A3280001

Built
1978
47 years old
Condition
Fair
inspected May 2023
Type
Channel Beam
Concrete
Length
32 ft
1 main span
Daily traffic
190
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A328 over Murfrees Fork Creek is a concrete channel beam carrying Nfa A328 over Murfrees Fork Creek in Williamson County, Tennessee. It was built in 1978, so it is 47 years old, younger 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 190 vehicles a day, roughly 2% of them trucks, projected to reach 304 by 2041. The structure is 32 ft (9.8 m) long and 29 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesNfa A328
CrossesMurfrees Fork Creek
Location4.3 MI SW JCT SR6&SR248
RouteCity Street 328
CountyWilliamson County
StateTennessee
Coordinates35.81622, -86.95537
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
Deck7 GoodSome minor problems.
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 protection7 GoodSome minor problems.
Last inspectionMay 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadH 15
Structure length32 ft (9.8 m)
Longest span30 ft (9.1 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic190 (2020)
Projected traffic304 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$245,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A328 over Murfrees Fork Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is Nfa A328 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 A328 over Murfrees Fork Creek carry?

About 190 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A328 over Murfrees Fork Creek?

The structure is 32 ft (9.8 m) long with a longest span of 30 ft (9.1 m) and a deck 29 ft wide.

Who owns Nfa A328 over Murfrees Fork Creek?

It is owned by the City or Municipal Highway Agency.