US Bridges

SR-15 (US-64) over SR-6 (US-43)

Good

Lawrence County, Tennessee · 2.5 Mi.S.Of Lawrenceburg · Structure no. 50SR0060025

Built
2014
11 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
221 ft
3 main spans
Daily traffic
4,323
2021 count
Owner
State
State Highway Agency

About this bridge

SR-15 (US-64) over SR-6 (US-43) is a prestressed concrete continuous stringer/multi-beam or girder carrying SR-15 (US-64) over SR-6 (US-43) in Lawrence County, Tennessee. It was built in 2014, so it is 11 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 4,323 vehicles a day, roughly 9% of them trucks, projected to reach 6,917 by 2042. The structure is 221 ft (67.4 m) long and 44 ft wide.

CarriesSR-15 (US-64)
CrossesSR-6 (US-43)
Location2.5 Mi.S.Of Lawrenceburg
RouteU.S. Route 64
Coordinates35.20537, -87.3395
Functional classUrban Other Principal 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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionAugust 2024
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 rating50 US tons
Inventory rating38.6 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length221 ft (67.4 m)
Longest span131 ft (39.9 m)
Deck width44 ft (13.4 m)
Roadway width43 ft (13 m)
Vertical clearance over deck17 ft (5.2 m)

Traffic and service

Average daily traffic4,323 (2021)
Projected traffic6,917 by 2042
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 SR-15 (US-64) over SR-6 (US-43) built?

It was built in 2014, making it 11 years old in 2025.

What condition is SR-15 (US-64) over SR-6 (US-43) 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 August 2024.

How much traffic does SR-15 (US-64) over SR-6 (US-43) carry?

About 4,323 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is SR-15 (US-64) over SR-6 (US-43)?

The structure is 221 ft (67.4 m) long with a longest span of 131 ft (39.9 m) and a deck 44 ft wide.

Who owns SR-15 (US-64) over SR-6 (US-43)?

It is owned by the State Highway Agency.