US Bridges

Nfa C139 over Sanders Creek

FairPosted for load

Shelby County, Tennessee · Bass RD - Shelby CO · Structure no. 790C1390001

Built
2006
19 years old
Condition
Fair
inspected April 2023
Type
Truss - Thru
Steel
Length
70 ft
1 main span
Daily traffic
1,000
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa C139 over Sanders Creek is a steel truss - thru carrying Nfa C139 over Sanders Creek in Shelby County, Tennessee. It was built in 2006, so it is 19 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. Its operating status is: posted for load restriction.

It carries about 1,000 vehicles a day, roughly 2% of them trucks, projected to reach 1,600 by 2042. The structure is 70 ft (21.3 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesNfa C139
CrossesSanders Creek
LocationBass RD - Shelby CO
RouteCounty Highway 139
CountyShelby County
StateTennessee
Coordinates35.3779, -89.95803
Functional classRural 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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.1 US tons
Inventory rating28.9 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length70 ft (21.3 m)
Longest span70 ft (21.3 m)
Deck width33 ft (10.1 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2020)
Projected traffic1,600 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 C139 over Sanders Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is Nfa C139 over Sanders 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 April 2023.

How much traffic does Nfa C139 over Sanders Creek carry?

About 1,000 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa C139 over Sanders Creek?

The structure is 70 ft (21.3 m) long with a longest span of 70 ft (21.3 m) and a deck 33 ft wide.

Who owns Nfa C139 over Sanders Creek?

It is owned by the County Highway Agency.