US Bridges

Nfa A311 over I26

Good

Washington County, Tennessee · NW of I26 - SR 354 JCT · Structure no. 90I00260013

Built
1969
56 years old
Condition
Good
inspected September 2023
Type
Tee Beam
Concrete Continuous
Length
169 ft
2 main spans
Daily traffic
220
2020 count
Owner
State
State Highway Agency

About this bridge

Nfa A311 over I26 is a concrete continuous tee beam carrying Nfa A311 over I26 in Washington County, Tennessee. It was built in 1969, so it is 56 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 220 vehicles a day, roughly 2% of them trucks, projected to reach 352 by 2042. The structure is 169 ft (51.5 m) long and 36 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesNfa A311
CrossesI26
LocationNW of I26 - SR 354 JCT
RouteCounty Highway 311
Coordinates36.39368, -82.44842
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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating30.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length169 ft (51.5 m)
Longest span85 ft (25.8 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic220 (2020)
Projected traffic352 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 A311 over I26 built?

It was built in 1969, making it 56 years old in 2025.

What condition is Nfa A311 over I26 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 2023.

How much traffic does Nfa A311 over I26 carry?

About 220 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A311 over I26?

The structure is 169 ft (51.5 m) long with a longest span of 85 ft (25.8 m) and a deck 36 ft wide.

Who owns Nfa A311 over I26?

It is owned by the State Highway Agency.