US Bridges

Nfa A232 over Mcclory Branch

Good

Williamson County, Tennessee · 3.6 MI SW JCT SR11&SR96 · Structure no. 940A2320003

Built
1982
43 years old
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
80 ft
2 main spans
Daily traffic
430
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A232 over Mcclory Branch is a prestressed concrete continuous box beam or girders - single or spread carrying Nfa A232 over Mcclory Branch in Williamson County, Tennessee. It was built in 1982, so it is 43 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 430 vehicles a day, roughly 2% of them trucks, projected to reach 688 by 2041. The structure is 80 ft (24.4 m) long and 28 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesNfa A232
CrossesMcclory Branch
Location3.6 MI SW JCT SR11&SR96
RouteCounty Highway 232
Coordinates35.83907, -86.71845
Functional classRural 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span40 ft (12.2 m)
Deck width28 ft (8.5 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic430 (2020)
Projected traffic688 by 2041
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A232 over Mcclory Branch built?

It was built in 1982, making it 43 years old in 2025.

What condition is Nfa A232 over Mcclory 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 April 2023.

How much traffic does Nfa A232 over Mcclory Branch carry?

About 430 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A232 over Mcclory Branch?

The structure is 80 ft (24.4 m) long with a longest span of 40 ft (12.2 m) and a deck 28 ft wide.

Who owns Nfa A232 over Mcclory Branch?

It is owned by the County Highway Agency.