US Bridges

I40 298481V over Herman ST & Icg RR

Good

Davidson County, Tennessee · I40/ Herman ST Icg RR · Structure no. 19I00400061

Built
2015
10 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
345 ft
4 main spans
Daily traffic
145,427
2021 count
Owner
State
State Highway Agency

About this bridge

I40 298481V over Herman ST & Icg RR is a steel continuous stringer/multi-beam or girder carrying I40 298481V over Herman ST & Icg RR in Davidson County, Tennessee. It was built in 2015, so it is 10 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 145,427 vehicles a day, roughly 7% of them trucks, projected to reach 224,259 by 2042. The structure is 345 ft (105.3 m) long and 126 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesI40 298481V
CrossesHerman ST & Icg RR
LocationI40/ Herman ST Icg RR
RouteInterstate 40
CountyDavidson County
StateTennessee
Coordinates36.16743, -86.79593
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckCorrugated steel
Main spans4
Design loadHL 93
Structure length345 ft (105.3 m)
Longest span109 ft (33.2 m)
Deck width126 ft (38.4 m)
Roadway width125 ft (38 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic145,427 (2021)
Projected traffic224,259 by 2042
Trucks7%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed9.9 mi (16 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I40 298481V over Herman ST & Icg RR built?

It was built in 2015, making it 10 years old in 2025.

What condition is I40 298481V over Herman ST & Icg 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 November 2023.

How much traffic does I40 298481V over Herman ST & Icg RR carry?

About 145,427 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is I40 298481V over Herman ST & Icg RR?

The structure is 345 ft (105.3 m) long with a longest span of 109 ft (33.2 m) and a deck 126 ft wide.

Who owns I40 298481V over Herman ST & Icg RR?

It is owned by the State Highway Agency.