US Bridges

Nfa A212 over Owen Springs Branch

Good

Marion County, Tennessee · 2.7 MI NE JCT SR28&SR150 · Structure no. 580A2120001

Built
1983
42 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
97 ft
3 main spans
Daily traffic
90
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A212 over Owen Springs Branch is a prestressed concrete continuous box beam or girders - single or spread carrying Nfa A212 over Owen Springs Branch in Marion County, Tennessee. It was built in 1983, so it is 42 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 90 vehicles a day, roughly 2% of them trucks, projected to reach 144 by 2040. The structure is 97 ft (29.7 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa A212
CrossesOwen Springs Branch
Location2.7 MI NE JCT SR28&SR150
RouteCounty Highway 212
Coordinates35.11714, -85.58953
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length97 ft (29.7 m)
Longest span32 ft (9.9 m)
Deck width26 ft (7.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (2020)
Projected traffic144 by 2040
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 A212 over Owen Springs Branch built?

It was built in 1983, making it 42 years old in 2025.

What condition is Nfa A212 over Owen Springs Branch 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 October 2024.

How much traffic does Nfa A212 over Owen Springs Branch carry?

About 90 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A212 over Owen Springs Branch?

The structure is 97 ft (29.7 m) long with a longest span of 32 ft (9.9 m) and a deck 26 ft wide.

Who owns Nfa A212 over Owen Springs Branch?

It is owned by the County Highway Agency.