US Bridges

Nfa A220 over Silver Creek

Good

Maury County, Tennessee · 4.5 M. Ne. Culleoka. · Structure no. 600A2200001

Built
2003
22 years old
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
74 ft
2 main spans
Daily traffic
220
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A220 over Silver Creek is a prestressed concrete continuous box beam or girders - single or spread carrying Nfa A220 over Silver Creek in Maury County, Tennessee. It was built in 2003, so it is 22 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 220 vehicles a day, roughly 2% of them trucks, projected to reach 352 by 2042. The structure is 74 ft (22.5 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa A220
CrossesSilver Creek
Location4.5 M. Ne. Culleoka.
RouteCounty Highway 220
Coordinates35.52365, -86.91701
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length74 ft (22.5 m)
Longest span37 ft (11.2 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic220 (2020)
Projected traffic352 by 2042
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

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 A220 over Silver Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is Nfa A220 over Silver 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 May 2024.

How much traffic does Nfa A220 over Silver Creek carry?

About 220 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A220 over Silver Creek?

The structure is 74 ft (22.5 m) long with a longest span of 37 ft (11.2 m) and a deck 28 ft wide.

Who owns Nfa A220 over Silver Creek?

It is owned by the County Highway Agency.