US Bridges

Nfa A212 over Mill Creek

Good

Clay County, Tennessee · .1MI FM Standing Stone Pk · Structure no. 140A2120001

Built
1978
47 years old
Condition
Good
inspected April 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
90 ft
3 main spans
Daily traffic
10
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A212 over Mill Creek is a prestressed concrete continuous box beam or girders - single or spread carrying Nfa A212 over Mill Creek in Clay County, Tennessee. It was built in 1978, so it is 47 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 10 vehicles a day, roughly 2% of them trucks, projected to reach 16 by 2042. The structure is 90 ft (27.4 m) long and 14 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesNfa A212
CrossesMill Creek
Location.1MI FM Standing Stone Pk
RouteCounty Highway 212
CountyClay County
StateTennessee
Coordinates36.48028, -85.49397
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
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 alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length90 ft (27.4 m)
Longest span29 ft (8.9 m)
Deck width14 ft (4.3 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2020)
Projected traffic16 by 2042
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$374,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A212 over Mill Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is Nfa A212 over Mill 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 April 2024.

How much traffic does Nfa A212 over Mill Creek carry?

About 10 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A212 over Mill Creek?

The structure is 90 ft (27.4 m) long with a longest span of 29 ft (8.9 m) and a deck 14 ft wide.

Who owns Nfa A212 over Mill Creek?

It is owned by the County Highway Agency.