US Bridges

Nfa A035 over I75

GoodPosted for load

Loudon County, Tennessee · 2 M. Nw. Loudon. · Structure no. 53I00750017

Built
1972
53 years old
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
443 ft
4 main spans
Daily traffic
290
2020 count
Owner
State
State Highway Agency

About this bridge

Nfa A035 over I75 is a prestressed concrete box beam or girders - single or spread carrying Nfa A035 over I75 in Loudon County, Tennessee. It was built in 1972, so it is 53 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 290 vehicles a day, roughly 2% of them trucks, projected to reach 464 by 2042. The structure is 443 ft (135 m) long and 32 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesNfa A035
CrossesI75
Location2 M. Nw. Loudon.
RouteCounty Highway 35
Coordinates35.76405, -84.36504
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
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 alignment8: Equal to present desirable criteria
Operating rating27.1 US tons
Inventory rating21.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length443 ft (135 m)
Longest span133 ft (40.5 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic290 (2020)
Projected traffic464 by 2042
Trucks2%
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nfa A035 over I75 built?

It was built in 1972, making it 53 years old in 2025.

What condition is Nfa A035 over I75 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does Nfa A035 over I75 carry?

About 290 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A035 over I75?

The structure is 443 ft (135 m) long with a longest span of 133 ft (40.5 m) and a deck 32 ft wide.

Who owns Nfa A035 over I75?

It is owned by the State Highway Agency.