US Bridges

Nfa 2214 (sa 9310) over Zion Branch

Fair

White County, Tennessee · 1MI North of US 70 · Structure no. 93022140001

Built
1987
38 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete Continuous
Length
36 ft
2 main spans
Daily traffic
216
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 2214 (sa 9310) over Zion Branch is a concrete continuous culvert carrying Nfa 2214 (sa 9310) over Zion Branch in White County, Tennessee. It was built in 1987, so it is 38 years old, younger 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 216 vehicles a day, roughly 3% of them trucks, projected to reach 346 by 2042. The structure is 36 ft (11 m) long and 26 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesNfa 2214 (sa 9310)
CrossesZion Branch
Location1MI North of US 70
RouteCounty Highway 2214
CountyWhite County
StateTennessee
Coordinates35.97987, -85.57491
Functional classRural Minor Collector

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 inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating64.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length36 ft (11 m)
Longest span15 ft (4.6 m)
Deck width26 ft (7.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic216 (2021)
Projected traffic346 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 2214 (sa 9310) over Zion Branch built?

It was built in 1987, making it 38 years old in 2025.

What condition is Nfa 2214 (sa 9310) over Zion Branch 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 February 2024.

How much traffic does Nfa 2214 (sa 9310) over Zion Branch carry?

About 216 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 2214 (sa 9310) over Zion Branch?

The structure is 36 ft (11 m) long with a longest span of 15 ft (4.6 m) and a deck 26 ft wide.

Who owns Nfa 2214 (sa 9310) over Zion Branch?

It is owned by the County Highway Agency.