US Bridges

Nfa A181 over Neighbor Branch

Good

Hardin County, Tennessee · Shady Grove RD N SR 203 · Structure no. 360A1810001

Built
1992
33 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete Continuous
Length
69 ft
3 main spans
Daily traffic
60
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A181 over Neighbor Branch is a concrete continuous culvert carrying Nfa A181 over Neighbor Branch in Hardin County, Tennessee. It was built in 1992, so it is 33 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 60 vehicles a day, roughly 2% of them trucks, projected to reach 96 by 2040. The structure is 69 ft (21.1 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNfa A181
CrossesNeighbor Branch
LocationShady Grove RD N SR 203
RouteCounty Highway 181
Coordinates35.21031, -87.99108
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum 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 loadH 20
Structure length69 ft (21.1 m)
Longest span22 ft (6.7 m)
Deck width29 ft (8.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2020)
Projected traffic96 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 A181 over Neighbor Branch built?

It was built in 1992, making it 33 years old in 2025.

What condition is Nfa A181 over Neighbor 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 April 2024.

How much traffic does Nfa A181 over Neighbor Branch carry?

About 60 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A181 over Neighbor Branch?

The structure is 69 ft (21.1 m) long with a longest span of 22 ft (6.7 m) and a deck 29 ft wide.

Who owns Nfa A181 over Neighbor Branch?

It is owned by the County Highway Agency.