US Bridges

Nfa 980 (sa 9410) over Grove Creek

Fair

Williamson County, Tennessee · 1.4 MI S JCT SR11&SR16 · Structure no. 94F00290005

Built
1951
74 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete Continuous
Length
85 ft
4 main spans
Daily traffic
463
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 980 (sa 9410) over Grove Creek is a concrete continuous culvert carrying Nfa 980 (sa 9410) over Grove Creek in Williamson County, Tennessee. It was built in 1951, so it is 74 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 463 vehicles a day, roughly 3% of them trucks, projected to reach 752 by 2041. The structure is 85 ft (25.9 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesNfa 980 (sa 9410)
CrossesGrove Creek
Location1.4 MI S JCT SR11&SR16
RouteCounty Highway 980
CountyWilliamson County
StateTennessee
Coordinates35.78727, -86.67072
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 protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length85 ft (25.9 m)
Longest span15 ft (4.6 m)
Deck width27 ft (8.1 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic463 (2021)
Projected traffic752 by 2041
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$580,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 980 (sa 9410) over Grove Creek built?

It was built in 1951, making it 74 years old in 2025.

What condition is Nfa 980 (sa 9410) over Grove 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 April 2023.

How much traffic does Nfa 980 (sa 9410) over Grove Creek carry?

About 463 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 980 (sa 9410) over Grove Creek?

The structure is 85 ft (25.9 m) long with a longest span of 15 ft (4.6 m) and a deck 27 ft wide.

Who owns Nfa 980 (sa 9410) over Grove Creek?

It is owned by the County Highway Agency.