US Bridges

Nfa A156 over I65

Good

Robertson County, Tennessee · .9 MI N JCT SR41&SR52 · Structure no. 74I00650035

Built
2023
2 years old
Condition
Good
inspected March 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
205 ft
2 main spans
Daily traffic
230
2020 count
Owner
State
State Highway Agency

About this bridge

Nfa A156 over I65 is a prestressed concrete continuous box beam or girders - single or spread carrying Nfa A156 over I65 in Robertson County, Tennessee. It was built in 2023, so it is 2 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 230 vehicles a day, roughly 2% of them trucks, projected to reach 368 by 2040. The structure is 205 ft (62.4 m) long and 29 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesNfa A156
CrossesI65
Location.9 MI N JCT SR41&SR52
RouteCounty Highway 0A156
Coordinates36.60207, -86.58749
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length205 ft (62.4 m)
Longest span102 ft (31.2 m)
Deck width29 ft (8.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic230 (2020)
Projected traffic368 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 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 A156 over I65 built?

It was built in 2023, making it 2 years old in 2025.

What condition is Nfa A156 over I65 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 March 2024.

How much traffic does Nfa A156 over I65 carry?

About 230 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A156 over I65?

The structure is 205 ft (62.4 m) long with a longest span of 102 ft (31.2 m) and a deck 29 ft wide.

Who owns Nfa A156 over I65?

It is owned by the State Highway Agency.