US Bridges

FAU 255 over Mill Creek

Good

Davidson County, Tennessee · .8 M NE JCT I24&SR255 · Structure no. 19004430001

Built
1979
46 years old
Condition
Good
inspected May 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
212 ft
3 main spans
Daily traffic
30,191
2021 count
Owner
State
State Highway Agency

About this bridge

FAU 255 over Mill Creek is a prestressed concrete continuous box beam or girders - single or spread carrying FAU 255 over Mill Creek in Davidson County, Tennessee. It was built in 1979, so it is 46 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 30,191 vehicles a day, roughly 9% of them trucks, projected to reach 57,605 by 2041. The structure is 212 ft (64.6 m) long and 88 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesFAU 255
CrossesMill Creek
Location.8 M NE JCT I24&SR255
RouteState Highway 255
Coordinates36.09122, -86.68595
Functional classUrban Other Principal Arterial

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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length212 ft (64.6 m)
Longest span83 ft (25.3 m)
Deck width88 ft (26.8 m)
Roadway width86 ft (26.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,191 (2021)
Projected traffic57,605 by 2041
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 FAU 255 over Mill Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is FAU 255 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 May 2023.

How much traffic does FAU 255 over Mill Creek carry?

About 30,191 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is FAU 255 over Mill Creek?

The structure is 212 ft (64.6 m) long with a longest span of 83 ft (25.3 m) and a deck 88 ft wide.

Who owns FAU 255 over Mill Creek?

It is owned by the State Highway Agency.