US Bridges

Nfa 2171 (sa 8901) over Hickory Creek

FairPosted for load

Warren County, Tennessee · .5 MI from SR 108 · Structure no. 89021710003

Built
1935
90 years old, rebuilt 1960
Condition
Fair
inspected April 2023
Type
Arch - Deck
Concrete Continuous
Length
87 ft
3 main spans
Daily traffic
576
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 2171 (sa 8901) over Hickory Creek is a concrete continuous arch - deck carrying Nfa 2171 (sa 8901) over Hickory Creek in Warren County, Tennessee. It was built in 1935 and reconstructed in 1960, so it is 90 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 576 vehicles a day, roughly 3% of them trucks, projected to reach 922 by 2042. The structure is 87 ft (26.5 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 2171 (sa 8901)
CrossesHickory Creek
Location.5 MI from SR 108
RouteCounty Highway 2171
CountyWarren County
StateTennessee
Coordinates35.53635, -85.8573
Functional classRural Minor Collector

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating17.9 US tons
Inventory rating13.9 US tons

Structure

Structure typeArch - Deck
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length87 ft (26.5 m)
Longest span30 ft (9.1 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic576 (2021)
Projected traffic922 by 2042
Trucks3%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 2171 (sa 8901) over Hickory Creek built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1960.

What condition is Nfa 2171 (sa 8901) over Hickory 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 2171 (sa 8901) over Hickory Creek carry?

About 576 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 2171 (sa 8901) over Hickory Creek?

The structure is 87 ft (26.5 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.

Who owns Nfa 2171 (sa 8901) over Hickory Creek?

It is owned by the County Highway Agency.