US Bridges

Nfa A168 over Haw Creek

Fair

Dickson County, Tennessee · 0.27 M. S. SR48. · Structure no. 220A2280001

Built
1970
55 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete Continuous
Length
67 ft
3 main spans
Daily traffic
250
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A168 over Haw Creek is a concrete continuous culvert carrying Nfa A168 over Haw Creek in Dickson County, Tennessee. It was built in 1970, so it is 55 years old, older 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 5 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 250 vehicles a day, roughly 2% of them trucks, projected to reach 400 by 2040. The structure is 67 ft (20.4 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNfa A168
CrossesHaw Creek
Location0.27 M. S. SR48.
RouteCounty Highway 168
Coordinates36.17845, -87.30662
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.7 US tons
Inventory rating28.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 10
Structure length67 ft (20.4 m)
Longest span15 ft (4.6 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2020)
Projected traffic400 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$445,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A168 over Haw Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Nfa A168 over Haw Creek 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 June 2024.

How much traffic does Nfa A168 over Haw Creek carry?

About 250 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A168 over Haw Creek?

The structure is 67 ft (20.4 m) long with a longest span of 15 ft (4.6 m) and a deck 26 ft wide.

Who owns Nfa A168 over Haw Creek?

It is owned by the County Highway Agency.