US Bridges

Nfa B327 over Mill Creek

Good

Davidson County, Tennessee · In Nashville · Structure no. 190E6540003

Built
1985
40 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
193 ft
3 main spans
Daily traffic
870
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa B327 over Mill Creek is a prestressed concrete continuous box beam or girders - single or spread carrying Nfa B327 over Mill Creek in Davidson County, Tennessee. It was built in 1985, so it is 40 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 870 vehicles a day, roughly 2% of them trucks, projected to reach 1,392 by 2041. The structure is 193 ft (58.8 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNfa B327
CrossesMill Creek
LocationIn Nashville
RouteCity Street 327
Coordinates36.0285, -86.66663
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
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 rating59.3 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length193 ft (58.8 m)
Longest span64 ft (19.5 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic870 (2020)
Projected traffic1,392 by 2041
Trucks2%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa B327 over Mill Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is Nfa B327 over Mill Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does Nfa B327 over Mill Creek carry?

About 870 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa B327 over Mill Creek?

The structure is 193 ft (58.8 m) long with a longest span of 64 ft (19.5 m) and a deck 30 ft wide.

Who owns Nfa B327 over Mill Creek?

It is owned by the City or Municipal Highway Agency.