US Bridges

I-40 & SR-45 Ramps over Central Pk.

FairPosted for load

Davidson County, Tennessee · Old Hickory Bl-Central Pk · Structure no. 19SR0450003

Built
1991
34 years old
Condition
Fair
inspected March 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
176 ft
3 main spans
Daily traffic
51,890
2021 count
Owner
State
State Highway Agency

About this bridge

I-40 & SR-45 Ramps over Central Pk. is a prestressed concrete continuous box beam or girders - single or spread carrying I-40 & SR-45 Ramps over Central Pk. in Davidson County, Tennessee. It was built in 1991, so it is 34 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 51,890 vehicles a day, roughly 7% of them trucks, projected to reach 83,024 by 2042. The structure is 176 ft (53.6 m) long and 88 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-40 & SR-45 Ramps
CrossesCentral Pk.
LocationOld Hickory Bl-Central Pk
RouteState Highway 45
CountyDavidson County
StateTennessee
Coordinates36.1743, -86.60612
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.8 US tons
Inventory rating36 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length176 ft (53.6 m)
Longest span89 ft (27.1 m)
Deck width88 ft (26.9 m)
Roadway width86 ft (26.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic51,890 (2021)
Projected traffic83,024 by 2042
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-40 & SR-45 Ramps over Central Pk. built?

It was built in 1991, making it 34 years old in 2025.

What condition is I-40 & SR-45 Ramps over Central Pk. 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 March 2023.

How much traffic does I-40 & SR-45 Ramps over Central Pk. carry?

About 51,890 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is I-40 & SR-45 Ramps over Central Pk.?

The structure is 176 ft (53.6 m) long with a longest span of 89 ft (27.1 m) and a deck 88 ft wide.

Who owns I-40 & SR-45 Ramps over Central Pk.?

It is owned by the State Highway Agency.