US Bridges

Nfa A090 over Harper Valley Branch

Good

Wayne County, Tennessee · On Little Hope RD · Structure no. 910A0900001

Built
2011
14 years old
Condition
Good
inspected February 2025
Type
Culvert
Concrete Continuous
Length
35 ft
2 main spans
Daily traffic
40
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A090 over Harper Valley Branch is a concrete continuous culvert carrying Nfa A090 over Harper Valley Branch in Wayne County, Tennessee. It was built in 2011, so it is 14 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 40 vehicles a day, roughly 4% of them trucks, projected to reach 64 by 2039. The structure is 35 ft (10.6 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa A090
CrossesHarper Valley Branch
LocationOn Little Hope RD
RouteCounty Highway 90
Coordinates35.44672, -87.79298
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length35 ft (10.6 m)
Longest span16 ft (4.9 m)
Deck width28 ft (8.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2020)
Projected traffic64 by 2039
Trucks4%
Lanes on structure2
Traffic directionOne-lane bridge for two-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 A090 over Harper Valley Branch built?

It was built in 2011, making it 14 years old in 2025.

What condition is Nfa A090 over Harper Valley 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 February 2025.

How much traffic does Nfa A090 over Harper Valley Branch carry?

About 40 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Nfa A090 over Harper Valley Branch?

The structure is 35 ft (10.6 m) long with a longest span of 16 ft (4.9 m) and a deck 28 ft wide.

Who owns Nfa A090 over Harper Valley Branch?

It is owned by the County Highway Agency.