US Bridges

Nfa A020 over Olive Branch

Good

Rutherford County, Tennessee · 1.2 MI NW JCT SR102&I24 · Structure no. 750A0200001

Built
1988
37 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete Continuous
Length
38 ft
2 main spans
Daily traffic
1,070
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A020 over Olive Branch is a concrete continuous culvert carrying Nfa A020 over Olive Branch in Rutherford County, Tennessee. It was built in 1988, so it is 37 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 1,070 vehicles a day, roughly 2% of them trucks, projected to reach 1,712 by 2042. The structure is 38 ft (11.6 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNfa A020
CrossesOlive Branch
Location1.2 MI NW JCT SR102&I24
RouteCounty Highway 0A020
CountyRutherford County
StateTennessee
Coordinates35.9407, -86.55378
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span15 ft (4.6 m)
Deck width30 ft (9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,070 (2020)
Projected traffic1,712 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A020 over Olive Branch built?

It was built in 1988, making it 37 years old in 2025.

What condition is Nfa A020 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 A020 over Olive Branch carry?

About 1,070 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A020 over Olive Branch?

The structure is 38 ft (11.6 m) long with a longest span of 15 ft (4.6 m) and a deck 30 ft wide.

Who owns Nfa A020 over Olive Branch?

It is owned by the County Highway Agency.