US Bridges

Nfa 801 (sa 7918) over Big Creek Canal

Fair

Shelby County, Tennessee · Woodstock-Cuba RD · Structure no. 79008070001

Built
1966
59 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
329 ft
3 main spans
Daily traffic
397
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 801 (sa 7918) over Big Creek Canal is a steel continuous stringer/multi-beam or girder carrying Nfa 801 (sa 7918) over Big Creek Canal in Shelby County, Tennessee. It was built in 1966, so it is 59 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.

It carries about 397 vehicles a day, roughly 3% of them trucks, projected to reach 608 by 2041. The structure is 329 ft (100.3 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesNfa 801 (sa 7918)
CrossesBig Creek Canal
LocationWoodstock-Cuba RD
RouteCounty Highway 801
CountyShelby County
StateTennessee
Coordinates35.29911, -89.99089
Functional classRural Minor Collector

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 20
Structure length329 ft (100.3 m)
Longest span85 ft (25.9 m)
Deck width33 ft (10 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic397 (2021)
Projected traffic608 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 801 (sa 7918) over Big Creek Canal built?

It was built in 1966, making it 59 years old in 2025.

What condition is Nfa 801 (sa 7918) over Big Creek 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 801 (sa 7918) over Big Creek Canal carry?

About 397 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 801 (sa 7918) over Big Creek Canal?

The structure is 329 ft (100.3 m) long with a longest span of 85 ft (25.9 m) and a deck 33 ft wide.

Who owns Nfa 801 (sa 7918) over Big Creek Canal?

It is owned by the County Highway Agency.