US Bridges

Nfa Z001 over Ramp C-Saturn Pkwy/Sr 6

Fair

Maury County, Tennessee · 4 M S SR 247 · Structure no. 60SR0060043

Built
1989
36 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
250 ft
2 main spans
Daily traffic
5,000
2020 count
Owner
State
State Highway Agency

About this bridge

Nfa Z001 over Ramp C-Saturn Pkwy/Sr 6 is a steel continuous stringer/multi-beam or girder carrying Nfa Z001 over Ramp C-Saturn Pkwy/Sr 6 in Maury County, Tennessee. It was built in 1989, so it is 36 years old, younger 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 5,000 vehicles a day, roughly 5% of them trucks, projected to reach 8,000 by 2040. The structure is 250 ft (76.2 m) long and 58 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa Z001
CrossesRamp C-Saturn Pkwy/Sr 6
Location4 M S SR 247
RouteCounty Highway 1
Coordinates35.71745, -86.96976
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.4 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length250 ft (76.2 m)
Longest span131 ft (39.9 m)
Deck width58 ft (17.7 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2020)
Projected traffic8,000 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

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 Nfa Z001 over Ramp C-Saturn Pkwy/Sr 6 built?

It was built in 1989, making it 36 years old in 2025.

What condition is Nfa Z001 over Ramp C-Saturn Pkwy/Sr 6 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 March 2024.

How much traffic does Nfa Z001 over Ramp C-Saturn Pkwy/Sr 6 carry?

About 5,000 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Nfa Z001 over Ramp C-Saturn Pkwy/Sr 6?

The structure is 250 ft (76.2 m) long with a longest span of 131 ft (39.9 m) and a deck 58 ft wide.

Who owns Nfa Z001 over Ramp C-Saturn Pkwy/Sr 6?

It is owned by the State Highway Agency.