US Bridges

Nfa A124 (sa 5117) over Grinders Creek

Fair

Lewis County, Tennessee · 4.5 M. Se. Hohenwald. · Structure no. 510A1240009

Built
1962
63 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete Continuous
Length
74 ft
4 main spans
Daily traffic
130
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A124 (sa 5117) over Grinders Creek is a concrete continuous culvert carrying Nfa A124 (sa 5117) over Grinders Creek in Lewis County, Tennessee. It was built in 1962, so it is 63 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 130 vehicles a day, roughly 2% of them trucks, projected to reach 208 by 2041. The structure is 74 ft (22.6 m) long and 28 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

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CarriesNfa A124 (sa 5117)
CrossesGrinders Creek
Location4.5 M. Se. Hohenwald.
RouteCounty Highway 124
CountyLewis County
StateTennessee
Coordinates35.49187, -87.51988
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating28.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length74 ft (22.6 m)
Longest span15 ft (4.6 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2020)
Projected traffic208 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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$487,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A124 (sa 5117) over Grinders Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is Nfa A124 (sa 5117) over Grinders 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 2023.

How much traffic does Nfa A124 (sa 5117) over Grinders Creek carry?

About 130 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A124 (sa 5117) over Grinders Creek?

The structure is 74 ft (22.6 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.

Who owns Nfa A124 (sa 5117) over Grinders Creek?

It is owned by the County Highway Agency.