US Bridges

Nfa A174 over Hickman Creek

FairPosted for load

Smith County, Tennessee · 2.1 MI NE JCT SR53&DEKALB · Structure no. 800A1740001

Built
1925
100 years old
Condition
Fair
inspected July 2023
Type
Arch - Deck
Concrete
Length
81 ft
2 main spans
Daily traffic
50
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A174 over Hickman Creek is a concrete arch - deck carrying Nfa A174 over Hickman Creek in Smith County, Tennessee. It was built in 1925, so it is 100 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. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, roughly 1% of them trucks, projected to reach 80 by 2041. The structure is 81 ft (24.7 m) long and 13 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesNfa A174
CrossesHickman Creek
Location2.1 MI NE JCT SR53&DEKALB
RouteCounty Highway 174
CountySmith County
StateTennessee
Coordinates36.10177, -86.00308
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
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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length81 ft (24.7 m)
Longest span40 ft (12.2 m)
Deck width13 ft (4.1 m)
Roadway width10 ft (3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2020)
Projected traffic80 by 2041
Trucks1%
Lanes on structure1
Traffic directionOne-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 with deck rehabilitation or replacement
Estimated improvement cost$292,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A174 over Hickman Creek built?

It was built in 1925, making it 100 years old in 2025.

What condition is Nfa A174 over Hickman 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 A174 over Hickman Creek carry?

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

How long is Nfa A174 over Hickman Creek?

The structure is 81 ft (24.7 m) long with a longest span of 40 ft (12.2 m) and a deck 13 ft wide.

Who owns Nfa A174 over Hickman Creek?

It is owned by the County Highway Agency.