US Bridges

Nfa A060 over SR 311

Good

Bradley County, Tennessee · 1 Mi. East OFI-75 · Structure no. 06SR0404001

Built
1965
60 years old
Condition
Good
inspected August 2023
Type
Tee Beam
Concrete Continuous
Length
236 ft
4 main spans
Daily traffic
260
2020 count
Owner
State
State Highway Agency

About this bridge

Nfa A060 over SR 311 is a concrete continuous tee beam carrying Nfa A060 over SR 311 in Bradley 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 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.

It carries about 260 vehicles a day, roughly 2% of them trucks, projected to reach 416 by 2041. The structure is 236 ft (71.9 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNfa A060
CrossesSR 311
Location1 Mi. East OFI-75
RouteCounty Highway 60
Coordinates35.14577, -84.9287
Functional classUrban 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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than 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 rating52.6 US tons
Inventory rating31.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length236 ft (71.9 m)
Longest span69 ft (21 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic260 (2020)
Projected traffic416 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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 A060 over SR 311 built?

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

What condition is Nfa A060 over SR 311 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 August 2023.

How much traffic does Nfa A060 over SR 311 carry?

About 260 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A060 over SR 311?

The structure is 236 ft (71.9 m) long with a longest span of 69 ft (21 m) and a deck 29 ft wide.

Who owns Nfa A060 over SR 311?

It is owned by the State Highway Agency.