US Bridges

Nfa 1559 (sa 2415) over I-40

Fair

Fayette County, Tennessee · 2.1 MI NE JCT I40&SR59 · Structure no. 24I00400021

Built
1961
64 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
248 ft
4 main spans
Daily traffic
168
2021 count
Owner
State
State Highway Agency

About this bridge

Nfa 1559 (sa 2415) over I-40 is a steel continuous stringer/multi-beam or girder carrying Nfa 1559 (sa 2415) over I-40 in Fayette County, Tennessee. It was built in 1961, so it is 64 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 168 vehicles a day, roughly 3% of them trucks, projected to reach 592 by 2040. The structure is 248 ft (75.6 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa 1559 (sa 2415)
CrossesI-40
Location2.1 MI NE JCT I40&SR59
RouteCounty Highway 1559
CountyFayette County
StateTennessee
Coordinates35.36323, -89.48661
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.5 US tons
Inventory rating25.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length248 ft (75.6 m)
Longest span71 ft (21.6 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic168 (2021)
Projected traffic592 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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$1.7 million (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nfa 1559 (sa 2415) over I-40 built?

It was built in 1961, making it 64 years old in 2025.

What condition is Nfa 1559 (sa 2415) over 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 August 2024.

How much traffic does Nfa 1559 (sa 2415) over I-40 carry?

About 168 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1559 (sa 2415) over I-40?

The structure is 248 ft (75.6 m) long with a longest span of 71 ft (21.6 m) and a deck 29 ft wide.

Who owns Nfa 1559 (sa 2415) over I-40?

It is owned by the State Highway Agency.