US Bridges

Nfa A231 over Sanders Creek

Fair

Marshall County, Tennessee · 4.4 MI NE JCT SR11&SR129 · Structure no. 590A2310001

Built
1930
95 years old
Condition
Fair
inspected July 2024
Type
Tee Beam
Concrete
Length
34 ft
1 main span
Daily traffic
50
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A231 over Sanders Creek is a concrete tee beam carrying Nfa A231 over Sanders Creek in Marshall County, Tennessee. It was built in 1930, so it is 95 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 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 50 vehicles a day, roughly 1% of them trucks, projected to reach 80 by 2041. The structure is 34 ft (10.4 m) long and 14 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa A231
CrossesSanders Creek
Location4.4 MI NE JCT SR11&SR129
RouteCounty Highway 231
CountyMarshall County
StateTennessee
Coordinates35.40002, -86.78046
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length34 ft (10.4 m)
Longest span31 ft (9.4 m)
Deck width14 ft (4.4 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2020)
Projected traffic80 by 2041
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$167,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A231 over Sanders Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is Nfa A231 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 July 2024.

How much traffic does Nfa A231 over Sanders Creek carry?

About 50 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Nfa A231 over Sanders Creek?

The structure is 34 ft (10.4 m) long with a longest span of 31 ft (9.4 m) and a deck 14 ft wide.

Who owns Nfa A231 over Sanders Creek?

It is owned by the County Highway Agency.