US Bridges

Nfa A023 over Slaters Creek

Good

Sumner County, Tennessee · 2.3 MI NW JCT I65&SR174 · Structure no. 830A0230001

Built
1990
35 years old
Condition
Good
inspected February 2025
Type
Culvert
Concrete Continuous
Length
48 ft
3 main spans
Daily traffic
120
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A023 over Slaters Creek is a concrete continuous culvert carrying Nfa A023 over Slaters Creek in Sumner County, Tennessee. It was built in 1990, so it is 35 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 120 vehicles a day, roughly 7% of them trucks, projected to reach 192 by 2041. The structure is 48 ft (14.6 m) long and 28 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNfa A023
CrossesSlaters Creek
Location2.3 MI NW JCT I65&SR174
RouteCity Street 0A023
Coordinates36.35955, -86.71246
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2025
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length48 ft (14.6 m)
Longest span15 ft (4.6 m)
Deck width28 ft (8.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2020)
Projected traffic192 by 2041
Trucks7%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$332,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A023 over Slaters Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is Nfa A023 over Slaters Creek 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 February 2025.

How much traffic does Nfa A023 over Slaters Creek carry?

About 120 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is Nfa A023 over Slaters Creek?

The structure is 48 ft (14.6 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.

Who owns Nfa A023 over Slaters Creek?

It is owned by the City or Municipal Highway Agency.