US Bridges

Nfa D228 (sa 1916) over Sulphur Creek

Fair

Davidson County, Tennessee · SR12 @ Scottsboro · Structure no. 19S61530003

Built
1955
70 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete Continuous
Length
45 ft
3 main spans
Daily traffic
880
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa D228 (sa 1916) over Sulphur Creek is a concrete continuous culvert carrying Nfa D228 (sa 1916) over Sulphur Creek in Davidson County, Tennessee. It was built in 1955, so it is 70 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 880 vehicles a day, roughly 2% of them trucks, projected to reach 1,408 by 2041. The structure is 45 ft (13.7 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesNfa D228 (sa 1916)
CrossesSulphur Creek
LocationSR12 @ Scottsboro
RouteCity Street 228
CountyDavidson County
StateTennessee
Coordinates36.2106, -86.92144
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 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 rating65.4 US tons
Inventory rating39.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 15
Structure length45 ft (13.7 m)
Longest span15 ft (4.6 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic880 (2020)
Projected traffic1,408 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa D228 (sa 1916) over Sulphur Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is Nfa D228 (sa 1916) over Sulphur 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 D228 (sa 1916) over Sulphur Creek carry?

About 880 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa D228 (sa 1916) over Sulphur Creek?

The structure is 45 ft (13.7 m) long with a longest span of 15 ft (4.6 m) and a deck 31 ft wide.

Who owns Nfa D228 (sa 1916) over Sulphur Creek?

It is owned by the City or Municipal Highway Agency.