US Bridges

Nfa A976 over Dry Fork Creek

Fair

Sumner County, Tennessee · 5.9 MI NE JCT SR109&SR174 · Structure no. 830A9760003

Built
1978
47 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete Continuous
Length
48 ft
3 main spans
Daily traffic
210
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A976 over Dry Fork Creek is a concrete continuous culvert carrying Nfa A976 over Dry Fork Creek in Sumner County, Tennessee. It was built in 1978, so it is 47 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 210 vehicles a day, roughly 12% of them trucks, projected to reach 336 by 2041. The structure is 48 ft (14.6 m) long and 30 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesNfa A976
CrossesDry Fork Creek
Location5.9 MI NE JCT SR109&SR174
RouteCounty Highway 0A976
CountySumner County
StateTennessee
Coordinates36.47651, -86.39104
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length48 ft (14.6 m)
Longest span15 ft (4.6 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic210 (2020)
Projected traffic336 by 2041
Trucks12%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A976 over Dry Fork Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is Nfa A976 over Dry Fork 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 November 2024.

How much traffic does Nfa A976 over Dry Fork Creek carry?

About 210 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is Nfa A976 over Dry Fork Creek?

The structure is 48 ft (14.6 m) long with a longest span of 15 ft (4.6 m) and a deck 30 ft wide.

Who owns Nfa A976 over Dry Fork Creek?

It is owned by the County Highway Agency.