US Bridges

SR171 over I-40 Ramp "e"

Good

Wilson County, Tennessee · Mt. Juliet Road · Structure no. 95I00400061

Built
2008
17 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
195 ft
3 main spans
Daily traffic
31,345
2021 count
Owner
State
State Highway Agency

About this bridge

SR171 over I-40 Ramp "e" is a prestressed concrete continuous stringer/multi-beam or girder carrying SR171 over I-40 Ramp "e" in Wilson County, Tennessee. It was built in 2008, so it is 17 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 31,345 vehicles a day, roughly 7% of them trucks, projected to reach 50,152 by 2042. The structure is 195 ft (59.4 m) long and 44 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesSR171
CrossesI-40 Ramp "e"
LocationMt. Juliet Road
RouteState Highway 171
Coordinates36.1706, -86.51023
Functional classUrban Minor Arterial

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 inspectionSeptember 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 rating73.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length195 ft (59.4 m)
Longest span80 ft (24.4 m)
Deck width44 ft (13.4 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,345 (2021)
Projected traffic50,152 by 2042
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed19.9 mi (32 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR171 over I-40 Ramp "e" built?

It was built in 2008, making it 17 years old in 2025.

What condition is SR171 over I-40 Ramp "e" 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 September 2023.

How much traffic does SR171 over I-40 Ramp "e" carry?

About 31,345 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is SR171 over I-40 Ramp "e"?

The structure is 195 ft (59.4 m) long with a longest span of 80 ft (24.4 m) and a deck 44 ft wide.

Who owns SR171 over I-40 Ramp "e"?

It is owned by the State Highway Agency.