US Bridges

FAP 3 over Mill Creek

Good

Obion County, Tennessee · 1 MI S of Troy · Structure no. 66SR0030037

Built
1978
47 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
132 ft
2 main spans
Daily traffic
10,830
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 3 over Mill Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying FAP 3 over Mill Creek in Obion 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 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 10,830 vehicles a day, roughly 10% of them trucks, projected to reach 14,608 by 2041. The structure is 132 ft (40.2 m) long and 104 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesFAP 3
CrossesMill Creek
Location1 MI S of Troy
RouteU.S. Route 51
Coordinates36.32555, -89.17619
Functional classRural Principal Arterial - Other

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating29.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length132 ft (40.2 m)
Longest span66 ft (20.1 m)
Deck width104 ft (31.7 m)
Roadway width101 ft (30.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,830 (2021)
Projected traffic14,608 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 3 over Mill Creek built?

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

What condition is FAP 3 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 3 over Mill Creek carry?

About 10,830 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is FAP 3 over Mill Creek?

The structure is 132 ft (40.2 m) long with a longest span of 66 ft (20.1 m) and a deck 104 ft wide.

Who owns FAP 3 over Mill Creek?

It is owned by the State Highway Agency.