US Bridges

FAP 11 over Mill Creek

Good

Davidson County, Tennessee · 1.4 M NW Williamson CO LN · Structure no. 19SR0110001

Built
1999
26 years old
Condition
Good
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
255 ft
5 main spans
Daily traffic
15,901
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 11 over Mill Creek is a prestressed concrete continuous box beam or girders - multiple carrying FAP 11 over Mill Creek in Davidson County, Tennessee. It was built in 1999, so it is 26 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 15,901 vehicles a day, roughly 9% of them trucks, projected to reach 25,442 by 2042. The structure is 255 ft (77.6 m) long and 44 ft wide. If it were closed, the detour would be 60.3 mi (97 km).

CarriesFAP 11
CrossesMill Creek
Location1.4 M NW Williamson CO LN
RouteU.S. Route 31
Coordinates36.00868, -86.70126
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.7 US tons
Inventory rating31.4 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length255 ft (77.6 m)
Longest span60 ft (18.3 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,901 (2021)
Projected traffic25,442 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed60.3 mi (97 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 FAP 11 over Mill Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is FAP 11 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 March 2023.

How much traffic does FAP 11 over Mill Creek carry?

About 15,901 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is FAP 11 over Mill Creek?

The structure is 255 ft (77.6 m) long with a longest span of 60 ft (18.3 m) and a deck 44 ft wide.

Who owns FAP 11 over Mill Creek?

It is owned by the State Highway Agency.