US Bridges

Nfa 1936 (sa 9433) over Burke Branch

Fair

Williamson County, Tennessee · 2.2 MI NW JCT SR96&SR252 · Structure no. 94019360003

Built
1982
43 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete Continuous
Length
33 ft
2 main spans
Daily traffic
742
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1936 (sa 9433) over Burke Branch is a concrete continuous culvert carrying Nfa 1936 (sa 9433) over Burke 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 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 742 vehicles a day, roughly 2% of them trucks, projected to reach 960 by 2041. The structure is 33 ft (10.1 m) long and 24 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesNfa 1936 (sa 9433)
CrossesBurke Branch
Location2.2 MI NW JCT SR96&SR252
RouteCounty Highway 1936
CountyWilliamson County
StateTennessee
Coordinates35.90047, -86.71715
Functional classRural Minor Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
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 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 rating46.7 US tons
Inventory rating28.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span15 ft (4.6 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic742 (2021)
Projected traffic960 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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$122,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1936 (sa 9433) over Burke Branch built?

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

What condition is Nfa 1936 (sa 9433) over Burke 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 1936 (sa 9433) over Burke Branch carry?

About 742 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is Nfa 1936 (sa 9433) over Burke Branch?

The structure is 33 ft (10.1 m) long with a longest span of 15 ft (4.6 m) and a deck 24 ft wide.

Who owns Nfa 1936 (sa 9433) over Burke Branch?

It is owned by the County Highway Agency.