US Bridges

Nfa K900 over Big Creek Drainage Canal

Fair

Shelby County, Tennessee · Singleton Ave-Shelby Co. · Structure no. 79SR2040013

Built
1983
42 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
264 ft
4 main spans
Daily traffic
6,720
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa K900 over Big Creek Drainage Canal is a prestressed concrete continuous stringer/multi-beam or girder carrying Nfa K900 over Big Creek Drainage Canal in Shelby County, Tennessee. It was built in 1983, so it is 42 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 6,720 vehicles a day, roughly 4% of them trucks, projected to reach 10,752 by 2041. The structure is 264 ft (80.5 m) long and 90 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesNfa K900
CrossesBig Creek Drainage Canal
LocationSingleton Ave-Shelby Co.
RouteCity Street 900
CountyShelby County
StateTennessee
Coordinates35.323, -89.87022
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.
Superstructure7 GoodSome minor problems.
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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length264 ft (80.5 m)
Longest span66 ft (20.1 m)
Deck width90 ft (27.4 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,720 (2020)
Projected traffic10,752 by 2041
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$4.8 million (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa K900 over Big Creek Drainage Canal built?

It was built in 1983, making it 42 years old in 2025.

What condition is Nfa K900 over Big Creek Drainage Canal 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 Nfa K900 over Big Creek Drainage Canal carry?

About 6,720 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Nfa K900 over Big Creek Drainage Canal?

The structure is 264 ft (80.5 m) long with a longest span of 66 ft (20.1 m) and a deck 90 ft wide.

Who owns Nfa K900 over Big Creek Drainage Canal?

It is owned by the County Highway Agency.