US Bridges

Nfa 2498 over I40

Fair

Jefferson County, Tennessee · .5 M E of SR009 · Structure no. 45I00400031

Built
1974
51 years old
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
244 ft
2 main spans
Daily traffic
1,790
2021 count
Owner
State
State Highway Agency

About this bridge

Nfa 2498 over I40 is a concrete continuous box beam or girders - single or spread carrying Nfa 2498 over I40 in Jefferson County, Tennessee. It was built in 1974, so it is 51 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 1,790 vehicles a day, roughly 3% of them trucks, projected to reach 2,864 by 2042. The structure is 244 ft (74.4 m) long and 32 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesNfa 2498
CrossesI40
Location.5 M E of SR009
RouteCounty Highway 2498
Coordinates36.02118, -83.48143
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.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length244 ft (74.4 m)
Longest span127 ft (38.6 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,790 (2021)
Projected traffic2,864 by 2042
Trucks3%
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nfa 2498 over I40 built?

It was built in 1974, making it 51 years old in 2025.

What condition is Nfa 2498 over I40 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 2498 over I40 carry?

About 1,790 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 2498 over I40?

The structure is 244 ft (74.4 m) long with a longest span of 127 ft (38.6 m) and a deck 32 ft wide.

Who owns Nfa 2498 over I40?

It is owned by the State Highway Agency.