US Bridges

Nfa A173 over Whiteoak Creek

Good

Humphreys County, Tennessee · 5 MI NE of Mcewen · Structure no. 430A1730001

Built
1991
34 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete Continuous
Length
58 ft
3 main spans
Daily traffic
60
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A173 over Whiteoak Creek is a concrete continuous culvert carrying Nfa A173 over Whiteoak Creek in Humphreys County, Tennessee. It was built in 1991, so it is 34 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 60 vehicles a day, roughly 2% of them trucks, projected to reach 96 by 2040. The structure is 58 ft (17.7 m) long and 28 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesNfa A173
CrossesWhiteoak Creek
Location5 MI NE of Mcewen
RouteCounty Highway 173
Coordinates36.1734, -87.60458
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.
Culvert8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating92.8 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckWood or timber
Main spans3
Design loadHS 20
Structure length58 ft (17.7 m)
Longest span18 ft (5.5 m)
Deck width28 ft (8.4 m)
Roadway width22 ft (6.7 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 closed9.9 mi (16 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 A173 over Whiteoak Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is Nfa A173 over Whiteoak 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 September 2023.

How much traffic does Nfa A173 over Whiteoak Creek carry?

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

How long is Nfa A173 over Whiteoak Creek?

The structure is 58 ft (17.7 m) long with a longest span of 18 ft (5.5 m) and a deck 28 ft wide.

Who owns Nfa A173 over Whiteoak Creek?

It is owned by the County Highway Agency.