US Bridges

Nfa 1900 (sa 2821) over Tarpley Shop RD / I-65

FairPosted for load

Giles County, Tennessee · 6 M N of Elkton · Structure no. 28I00650023

Built
1965
60 years old
Condition
Fair
inspected October 2023
Type
Tee Beam
Concrete Continuous
Length
321 ft
5 main spans
Daily traffic
92
2021 count
Owner
State
State Highway Agency

About this bridge

Nfa 1900 (sa 2821) over Tarpley Shop RD / I-65 is a concrete continuous tee beam carrying Nfa 1900 (sa 2821) over Tarpley Shop RD / I-65 in Giles County, Tennessee. It was built in 1965, so it is 60 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 92 vehicles a day, roughly 2% of them trucks, projected to reach 147 by 2042. The structure is 321 ft (97.8 m) long and 29 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesNfa 1900 (sa 2821)
CrossesTarpley Shop RD / I-65
Location6 M N of Elkton
RouteCounty Highway 1900
Coordinates35.13814, -86.87811
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating33.6 US tons
Inventory rating20 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length321 ft (97.8 m)
Longest span73 ft (22.3 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic92 (2021)
Projected traffic147 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nfa 1900 (sa 2821) over Tarpley Shop RD / I-65 built?

It was built in 1965, making it 60 years old in 2025.

What condition is Nfa 1900 (sa 2821) over Tarpley Shop RD / I-65 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 October 2023.

How much traffic does Nfa 1900 (sa 2821) over Tarpley Shop RD / I-65 carry?

About 92 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is Nfa 1900 (sa 2821) over Tarpley Shop RD / I-65?

The structure is 321 ft (97.8 m) long with a longest span of 73 ft (22.3 m) and a deck 29 ft wide.

Who owns Nfa 1900 (sa 2821) over Tarpley Shop RD / I-65?

It is owned by the State Highway Agency.