US Bridges

Nfa 1014 (sa 7419) over Sulphur Fork Creek

Fair

Robertson County, Tennessee · 4.7 MI N JCT SR11&SR257 · Structure no. 74F00300003

Built
1978
47 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
84 ft
1 main span
Daily traffic
940
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1014 (sa 7419) over Sulphur Fork Creek is a prestressed concrete stringer/multi-beam or girder carrying Nfa 1014 (sa 7419) over Sulphur Fork Creek in Robertson 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 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 940 vehicles a day, roughly 5% of them trucks, projected to reach 1,504 by 2042. The structure is 84 ft (25.6 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa 1014 (sa 7419)
CrossesSulphur Fork Creek
Location4.7 MI N JCT SR11&SR257
RouteCounty Highway 1014
CountyRobertson County
StateTennessee
Coordinates36.46703, -86.77015
Functional classRural Major 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionApril 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 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 rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length84 ft (25.6 m)
Longest span82 ft (25 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic940 (2021)
Projected traffic1,504 by 2042
Trucks5%
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1014 (sa 7419) over Sulphur Fork Creek built?

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

What condition is Nfa 1014 (sa 7419) over Sulphur 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 April 2024.

How much traffic does Nfa 1014 (sa 7419) over Sulphur Fork Creek carry?

About 940 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Nfa 1014 (sa 7419) over Sulphur Fork Creek?

The structure is 84 ft (25.6 m) long with a longest span of 82 ft (25 m) and a deck 26 ft wide.

Who owns Nfa 1014 (sa 7419) over Sulphur Fork Creek?

It is owned by the County Highway Agency.