US Bridges

Nfa A347 over Harris Creek

Good

Dyer County, Tennessee · 0.1 MI E of Newbern · Structure no. 230A3470005

Built
1984
41 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
600
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A347 over Harris Creek is a concrete culvert carrying Nfa A347 over Harris Creek in Dyer County, Tennessee. It was built in 1984, so it is 41 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 600 vehicles a day, roughly 4% of them trucks, projected to reach 960 by 2042. The structure is 24 ft (7.3 m) long and 36 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesNfa A347
CrossesHarris Creek
Location0.1 MI E of Newbern
RouteCounty Highway 347
Coordinates36.11179, -89.24745
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
Channel and channel protection9 ExcellentNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior 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
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length24 ft (7.3 m)
Longest span23 ft (7 m)
Deck width36 ft (11.1 m)
Roadway width35 ft (10.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2020)
Projected traffic960 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 A347 over Harris Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is Nfa A347 over Harris Creek 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 November 2023.

How much traffic does Nfa A347 over Harris Creek carry?

About 600 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Nfa A347 over Harris Creek?

The structure is 24 ft (7.3 m) long with a longest span of 23 ft (7 m) and a deck 36 ft wide.

Who owns Nfa A347 over Harris Creek?

It is owned by the County Highway Agency.