US Bridges

FAP 11 over Mill Creek

PoorPosted for load

Williamson County, Tennessee · In Nolensville Tennessee · Structure no. 94SR0110023

Built
1930
95 years old, rebuilt 1955
Condition
Poor
inspected January 2025
Type
Stringer/Multi-beam or Girder
Concrete
Length
82 ft
2 main spans
Daily traffic
13,218
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 11 over Mill Creek is a concrete stringer/multi-beam or girder carrying FAP 11 over Mill Creek in Williamson County, Tennessee. It was built in 1930 and reconstructed in 1955, so it is 95 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 13,218 vehicles a day, roughly 9% of them trucks, projected to reach 21,149 by 2042. The structure is 82 ft (25 m) long and 34 ft wide. If it were closed, the detour would be 60.3 mi (97 km).

CarriesFAP 11
CrossesMill Creek
LocationIn Nolensville Tennessee
RouteU.S. Route 31
Coordinates35.95698, -86.6716
Functional classUrban Other Principal Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.9 US tons
Inventory rating22.5 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length82 ft (25 m)
Longest span41 ft (12.5 m)
Deck width34 ft (10.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,218 (2021)
Projected traffic21,149 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.4 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 11 over Mill Creek built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1955.

What condition is FAP 11 over Mill Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2025.

How much traffic does FAP 11 over Mill Creek carry?

About 13,218 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is FAP 11 over Mill Creek?

The structure is 82 ft (25 m) long with a longest span of 41 ft (12.5 m) and a deck 34 ft wide.

Who owns FAP 11 over Mill Creek?

It is owned by the State Highway Agency.