US Bridges

Nfa 1993 (sa 6402) over Spanken Branch

Fair

Moore County, Tennessee · 4.5 M W of Lynchburg · Structure no. 64019930001

Built
1994
31 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete Continuous
Length
59 ft
3 main spans
Daily traffic
211
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1993 (sa 6402) over Spanken Branch is a concrete continuous culvert carrying Nfa 1993 (sa 6402) over Spanken Branch in Moore County, Tennessee. It was built in 1994, so it is 31 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 211 vehicles a day, roughly 3% of them trucks, projected to reach 368 by 2040. The structure is 59 ft (18.1 m) long and 27 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesNfa 1993 (sa 6402)
CrossesSpanken Branch
Location4.5 M W of Lynchburg
RouteCounty Highway 1993
CountyMoore County
StateTennessee
Coordinates35.303, -86.45281
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length59 ft (18.1 m)
Longest span12 ft (3.7 m)
Deck width27 ft (8.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic211 (2021)
Projected traffic368 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1993 (sa 6402) over Spanken Branch built?

It was built in 1994, making it 31 years old in 2025.

What condition is Nfa 1993 (sa 6402) over Spanken 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 May 2024.

How much traffic does Nfa 1993 (sa 6402) over Spanken Branch carry?

About 211 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1993 (sa 6402) over Spanken Branch?

The structure is 59 ft (18.1 m) long with a longest span of 12 ft (3.7 m) and a deck 27 ft wide.

Who owns Nfa 1993 (sa 6402) over Spanken Branch?

It is owned by the County Highway Agency.