US Bridges

FAP 46 over SR 46 / I40

Fair

Dickson County, Tennessee · 4.2 Mi.S.E. of Dickson · Structure no. 22I00400009

Built
1994
31 years old
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
294 ft
5 main spans
Daily traffic
13,161
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 46 over SR 46 / I40 is a prestressed concrete continuous box beam or girders - single or spread carrying FAP 46 over SR 46 / I40 in Dickson County, Tennessee. It was built in 1994, so it is 31 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 13,161 vehicles a day, roughly 7% of them trucks, projected to reach 22,464 by 2040. The structure is 294 ft (89.6 m) long and 111 ft wide. If it were closed, the detour would be 37.3 mi (60 km).

Location

Open in Google Maps
CarriesFAP 46
CrossesSR 46 / I40
Location4.2 Mi.S.E. of Dickson
RouteState Highway 46
CountyDickson County
StateTennessee
Coordinates36.01923, -87.3361
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27.9 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length294 ft (89.6 m)
Longest span83 ft (25.3 m)
Deck width111 ft (33.8 m)
Roadway width96 ft (29.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,161 (2021)
Projected traffic22,464 by 2040
Trucks7%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed37.3 mi (60 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$6.8 million (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAP 46 over SR 46 / I40 built?

It was built in 1994, making it 31 years old in 2025.

What condition is FAP 46 over SR 46 / I40 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.

How much traffic does FAP 46 over SR 46 / I40 carry?

About 13,161 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is FAP 46 over SR 46 / I40?

The structure is 294 ft (89.6 m) long with a longest span of 83 ft (25.3 m) and a deck 111 ft wide.

Who owns FAP 46 over SR 46 / I40?

It is owned by the State Highway Agency.