US Bridges

Nfa 1919 (sa 9421) over East Fork Creek

Fair

Williamson County, Tennessee · 3.6 MI W JCT SR46&SR96 · Structure no. 94019190005

Built
1984
41 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete Continuous
Length
61 ft
4 main spans
Daily traffic
279
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1919 (sa 9421) over East Fork Creek is a concrete continuous culvert carrying Nfa 1919 (sa 9421) over East Fork Creek in Williamson County, Tennessee. It was built in 1984, so it is 41 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 279 vehicles a day, roughly 3% of them trucks, projected to reach 624 by 2041. The structure is 61 ft (18.6 m) long and 30 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesNfa 1919 (sa 9421)
CrossesEast Fork Creek
Location3.6 MI W JCT SR46&SR96
RouteCounty Highway 1919
CountyWilliamson County
StateTennessee
Coordinates35.95997, -87.0158
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 inspectionMay 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.5 US tons
Inventory rating24.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length61 ft (18.6 m)
Longest span10 ft (3 m)
Deck width30 ft (9.2 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic279 (2021)
Projected traffic624 by 2041
Trucks3%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$404,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1919 (sa 9421) over East Fork Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is Nfa 1919 (sa 9421) over East Fork Creek 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 May 2023.

How much traffic does Nfa 1919 (sa 9421) over East Fork Creek carry?

About 279 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1919 (sa 9421) over East Fork Creek?

The structure is 61 ft (18.6 m) long with a longest span of 10 ft (3 m) and a deck 30 ft wide.

Who owns Nfa 1919 (sa 9421) over East Fork Creek?

It is owned by the County Highway Agency.