US Bridges

I40 297812C over Icc RR

Good

Madison County, Tennessee · 0.1 MI W of SR 20 · Structure no. 57I00400021

Built
2023
2 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
183 ft
3 main spans
Daily traffic
49,487
2021 count
Owner
State
State Highway Agency

About this bridge

I40 297812C over Icc RR is a prestressed concrete continuous stringer/multi-beam or girder carrying I40 297812C over Icc RR in Madison County, Tennessee. It was built in 2023, so it is 2 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 49,487 vehicles a day, roughly 8% of them trucks, projected to reach 54,437 by 2041. The structure is 183 ft (55.7 m) long and 137 ft wide. If it were closed, the detour would be 36 mi (58 km).

Location

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CarriesI40 297812C
CrossesIcc RR
Location0.1 MI W of SR 20
RouteInterstate 40
CountyMadison County
StateTennessee
Coordinates35.65567, -88.87672
Functional classUrban Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length183 ft (55.7 m)
Longest span73 ft (22.2 m)
Deck width137 ft (41.8 m)
Roadway width136 ft (41.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic49,487 (2021)
Projected traffic54,437 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed36 mi (58 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.1 million (2021 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I40 297812C over Icc RR built?

It was built in 2023, making it 2 years old in 2025.

What condition is I40 297812C over Icc RR 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 October 2023.

How much traffic does I40 297812C over Icc RR carry?

About 49,487 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is I40 297812C over Icc RR?

The structure is 183 ft (55.7 m) long with a longest span of 73 ft (22.2 m) and a deck 137 ft wide.

Who owns I40 297812C over Icc RR?

It is owned by the State Highway Agency.