US Bridges

Nfa L004 over Grays Creek

Fair

Shelby County, Tennessee · Pisgah RD 1.5 M S SR 15 · Structure no. 790A6970003

Built
1994
31 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
133 ft
3 main spans
Daily traffic
2,730
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa L004 over Grays Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Nfa L004 over Grays Creek in Shelby County, Tennessee. It was built in 1994, so it is 31 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 2,730 vehicles a day, roughly 5% of them trucks, projected to reach 4,368 by 2042. The structure is 133 ft (40.4 m) long and 33 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesNfa L004
CrossesGrays Creek
LocationPisgah RD 1.5 M S SR 15
RouteCity Street 4
CountyShelby County
StateTennessee
Coordinates35.1833, -89.72561
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.4 US tons
Inventory rating38.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length133 ft (40.4 m)
Longest span43 ft (13.1 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,730 (2020)
Projected traffic4,368 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa L004 over Grays Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is Nfa L004 over Grays Creek 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 2023.

How much traffic does Nfa L004 over Grays Creek carry?

About 2,730 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Nfa L004 over Grays Creek?

The structure is 133 ft (40.4 m) long with a longest span of 43 ft (13.1 m) and a deck 33 ft wide.

Who owns Nfa L004 over Grays Creek?

It is owned by the City or Municipal Highway Agency.