US Bridges

Nfa A674 over Grassy Creek

Fair

Hawkins County, Tennessee · 2.7 M NE of Van Hill · Structure no. 370A6740003

Built
1960
65 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
21 ft
1 main span
Daily traffic
190
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A674 over Grassy Creek is a steel stringer/multi-beam or girder carrying Nfa A674 over Grassy Creek in Hawkins County, Tennessee. It was built in 1960, so it is 65 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 190 vehicles a day, roughly 2% of them trucks, projected to reach 304 by 2042. The structure is 21 ft (6.4 m) long and 20 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesNfa A674
CrossesGrassy Creek
Location2.7 M NE of Van Hill
RouteCounty Highway 674
CountyHawkins County
StateTennessee
Coordinates36.42372, -82.79062
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span19 ft (5.8 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic190 (2020)
Projected traffic304 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$100,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A674 over Grassy Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Nfa A674 over Grassy 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 2023.

How much traffic does Nfa A674 over Grassy Creek carry?

About 190 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A674 over Grassy Creek?

The structure is 21 ft (6.4 m) long with a longest span of 19 ft (5.8 m) and a deck 20 ft wide.

Who owns Nfa A674 over Grassy Creek?

It is owned by the County Highway Agency.