US Bridges

Nfa A259 over Kennedy Branch

Fair

Williamson County, Tennessee · 2.8 MI SE JCT SR6&SR248 · Structure no. 940A2590003

Built
1977
48 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete Continuous
Length
38 ft
2 main spans
Daily traffic
490
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A259 over Kennedy Branch is a concrete continuous culvert carrying Nfa A259 over Kennedy Branch in Williamson County, Tennessee. It was built in 1977, so it is 48 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 490 vehicles a day, roughly 2% of them trucks, projected to reach 784 by 2041. The structure is 38 ft (11.6 m) long and 28 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesNfa A259
CrossesKennedy Branch
Location2.8 MI SE JCT SR6&SR248
RouteCounty Highway 259
CountyWilliamson County
StateTennessee
Coordinates35.81032, -86.84175
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length38 ft (11.6 m)
Longest span15 ft (4.6 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic490 (2020)
Projected traffic784 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 A259 over Kennedy Branch built?

It was built in 1977, making it 48 years old in 2025.

What condition is Nfa A259 over Kennedy 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 A259 over Kennedy Branch carry?

About 490 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A259 over Kennedy Branch?

The structure is 38 ft (11.6 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.

Who owns Nfa A259 over Kennedy Branch?

It is owned by the County Highway Agency.