US Bridges

Nfa 917 (sa 9104) over Smith Hollow Branch

Fair

Wayne County, Tennessee · 2.2 MI E of Hardin Co. · Structure no. 91S62270001

Built
1988
37 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
77
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 917 (sa 9104) over Smith Hollow Branch is a concrete continuous culvert carrying Nfa 917 (sa 9104) over Smith Hollow Branch in Wayne County, Tennessee. It was built in 1988, so it is 37 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 77 vehicles a day, roughly 3% of them trucks, projected to reach 176 by 2042. The structure is 26 ft (7.9 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa 917 (sa 9104)
CrossesSmith Hollow Branch
Location2.2 MI E of Hardin Co.
RouteCounty Highway 917
CountyWayne County
StateTennessee
Coordinates35.2266, -87.9455
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60.7 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span12 ft (3.7 m)
Deck width30 ft (9 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic77 (2021)
Projected traffic176 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-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 917 (sa 9104) over Smith Hollow Branch built?

It was built in 1988, making it 37 years old in 2025.

What condition is Nfa 917 (sa 9104) over Smith Hollow 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 December 2024.

How much traffic does Nfa 917 (sa 9104) over Smith Hollow Branch carry?

About 77 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 917 (sa 9104) over Smith Hollow Branch?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m) and a deck 30 ft wide.

Who owns Nfa 917 (sa 9104) over Smith Hollow Branch?

It is owned by the County Highway Agency.