US Bridges

SR-6 over Cumberland River

FairPosted for load

Davidson County, Tennessee · James Robertson Pkwy. · Structure no. 19SR0060015

Built
1951
74 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,845 ft
19 main spans
Daily traffic
17,296
2021 count
Owner
State
State Highway Agency

About this bridge

SR-6 over Cumberland River is a steel continuous stringer/multi-beam or girder carrying SR-6 over Cumberland River in Davidson County, Tennessee. It was built in 1951, so it is 74 years old, older 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 17,296 vehicles a day, roughly 9% of them trucks, projected to reach 27,674 by 2042. The structure is 1,845 ft (562.4 m) long and 74 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesSR-6
CrossesCumberland River
LocationJames Robertson Pkwy.
RouteU.S. Route 31
CountyDavidson County
StateTennessee
Coordinates36.16804, -86.77766
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.6 US tons
Inventory rating25.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans19
Design loadHS 20
Structure length1,845 ft (562.4 m)
Longest span320 ft (97.5 m)
Deck width74 ft (22.6 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,296 (2021)
Projected traffic27,674 by 2042
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway, waterway and railroad
Detour if closed3.7 mi (6 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$49.3 million (2022 estimate)
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was SR-6 over Cumberland River built?

It was built in 1951, making it 74 years old in 2025.

What condition is SR-6 over Cumberland River 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 May 2023.

How much traffic does SR-6 over Cumberland River carry?

About 17,296 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is SR-6 over Cumberland River?

The structure is 1,845 ft (562.4 m) long with a longest span of 320 ft (97.5 m) and a deck 74 ft wide.

Who owns SR-6 over Cumberland River?

It is owned by the State Highway Agency.