US Bridges

Nfa A174 over Sanders Creek

Good

Marshall County, Tennessee · 2.5 MI NE JCT SR50&SR129 · Structure no. 590A1740001

Built
1981
44 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete Continuous
Length
39 ft
2 main spans
Daily traffic
60
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A174 over Sanders Creek is a concrete continuous culvert carrying Nfa A174 over Sanders Creek in Marshall County, Tennessee. It was built in 1981, so it is 44 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 60 vehicles a day, roughly 4% of them trucks, projected to reach 96 by 2040. The structure is 39 ft (11.8 m) long and 30 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesNfa A174
CrossesSanders Creek
Location2.5 MI NE JCT SR50&SR129
RouteCounty Highway 174
Coordinates35.3512, -86.62997
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.3 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length39 ft (11.8 m)
Longest span16 ft (4.9 m)
Deck width30 ft (9.1 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2020)
Projected traffic96 by 2040
Trucks4%
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

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 A174 over Sanders Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is Nfa A174 over Sanders Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does Nfa A174 over Sanders Creek carry?

About 60 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Nfa A174 over Sanders Creek?

The structure is 39 ft (11.8 m) long with a longest span of 16 ft (4.9 m) and a deck 30 ft wide.

Who owns Nfa A174 over Sanders Creek?

It is owned by the County Highway Agency.