US Bridges

Nfa A183 over Branch

Fair

Williamson County, Tennessee · 1.5 MI NE JCT SR96&SR252 · Structure no. 940A1830001

Built
1970
55 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
470
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A183 over Branch is a concrete continuous culvert carrying Nfa A183 over Branch in Williamson County, Tennessee. It was built in 1970, so it is 55 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 470 vehicles a day, roughly 2% of them trucks, projected to reach 752 by 2042. The structure is 25 ft (7.6 m) long and 24 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesNfa A183
CrossesBranch
Location1.5 MI NE JCT SR96&SR252
RouteCounty Highway 183
CountyWilliamson County
StateTennessee
Coordinates35.88477, -86.69245
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 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 evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating40.7 US tons
Inventory rating24.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span8 ft (2.4 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic470 (2020)
Projected traffic752 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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$95,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A183 over Branch built?

It was built in 1970, making it 55 years old in 2025.

What condition is Nfa A183 over Branch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2023.

How much traffic does Nfa A183 over Branch carry?

About 470 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A183 over Branch?

The structure is 25 ft (7.6 m) long with a longest span of 8 ft (2.4 m) and a deck 24 ft wide.

Who owns Nfa A183 over Branch?

It is owned by the County Highway Agency.