US Bridges

Nfa A660 over Shiloh Rd. / I-40

Fair

Henderson County, Tennessee · Over I40 · Structure no. 39I00400037

Built
1960
65 years old
Condition
Fair
inspected June 2024
Type
Tee Beam
Concrete Continuous
Length
291 ft
5 main spans
Daily traffic
40
2020 count
Owner
State
State Highway Agency

About this bridge

Nfa A660 over Shiloh Rd. / I-40 is a concrete continuous tee beam carrying Nfa A660 over Shiloh Rd. / I-40 in Henderson County, Tennessee. It was built in 1960, so it is 65 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 40 vehicles a day, roughly 4% of them trucks, projected to reach 64 by 2040. The structure is 291 ft (88.7 m) long and 29 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesNfa A660
CrossesShiloh Rd. / I-40
LocationOver I40
RouteCounty Highway 660
CountyHenderson County
StateTennessee
Coordinates35.81441, -88.20647
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.8 US tons
Inventory rating24.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length291 ft (88.7 m)
Longest span65 ft (19.8 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2020)
Projected traffic64 by 2040
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.1 mi (13 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$1.8 million (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nfa A660 over Shiloh Rd. / I-40 built?

It was built in 1960, making it 65 years old in 2025.

What condition is Nfa A660 over Shiloh Rd. / I-40 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 June 2024.

How much traffic does Nfa A660 over Shiloh Rd. / I-40 carry?

About 40 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Nfa A660 over Shiloh Rd. / I-40?

The structure is 291 ft (88.7 m) long with a longest span of 65 ft (19.8 m) and a deck 29 ft wide.

Who owns Nfa A660 over Shiloh Rd. / I-40?

It is owned by the State Highway Agency.