US Bridges

Nfa A170 (sa 7522) over Olive Branch

Good

Rutherford County, Tennessee · 0.5 MI NE JCT I24&SR102 · Structure no. 75S62160009

Built
2023
2 years old
Condition
Good
inspected July 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
90 ft
1 main span
Daily traffic
610
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A170 (sa 7522) over Olive Branch is a prestressed concrete box beam or girders - single or spread carrying Nfa A170 (sa 7522) over Olive Branch in Rutherford 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 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 610 vehicles a day, roughly 2% of them trucks, projected to reach 976 by 2042. The structure is 90 ft (27.4 m) long and 39 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesNfa A170 (sa 7522)
CrossesOlive Branch
Location0.5 MI NE JCT I24&SR102
RouteCity Street 170
CountyRutherford County
StateTennessee
Coordinates35.93648, -86.52948
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length90 ft (27.4 m)
Longest span85 ft (25.8 m)
Deck width39 ft (12 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic610 (2020)
Projected traffic976 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$202,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A170 (sa 7522) over Olive Branch built?

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

What condition is Nfa A170 (sa 7522) over Olive Branch 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 July 2024.

How much traffic does Nfa A170 (sa 7522) over Olive Branch carry?

About 610 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A170 (sa 7522) over Olive Branch?

The structure is 90 ft (27.4 m) long with a longest span of 85 ft (25.8 m) and a deck 39 ft wide.

Who owns Nfa A170 (sa 7522) over Olive Branch?

It is owned by the City or Municipal Highway Agency.