US Bridges

FAS 76 over Sulphur Fork Creek

Fair

Robertson County, Tennessee · 5 MI SE JCT SR49 · Structure no. 74SR0760005

Built
1950
75 years old
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
214 ft
7 main spans
Daily traffic
5,578
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 76 over Sulphur Fork Creek is a prestressed concrete continuous box beam or girders - single or spread carrying FAS 76 over Sulphur Fork Creek in Robertson County, Tennessee. It was built in 1950, so it is 75 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 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 5,578 vehicles a day, roughly 5% of them trucks, projected to reach 8,128 by 2040. The structure is 214 ft (65.2 m) long and 28 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

Location

Open in Google Maps
CarriesFAS 76
CrossesSulphur Fork Creek
Location5 MI SE JCT SR49
RouteState Highway SR076
CountyRobertson County
StateTennessee
Coordinates36.48498, -86.79308
Functional classRural Minor Arterial

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length214 ft (65.2 m)
Longest span43 ft (13.1 m)
Deck width28 ft (8.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,578 (2021)
Projected traffic8,128 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.8 mi (56 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1.2 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 76 over Sulphur Fork Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is FAS 76 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 May 2024.

How much traffic does FAS 76 over Sulphur Fork Creek carry?

About 5,578 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAS 76 over Sulphur Fork Creek?

The structure is 214 ft (65.2 m) long with a longest span of 43 ft (13.1 m) and a deck 28 ft wide.

Who owns FAS 76 over Sulphur Fork Creek?

It is owned by the State Highway Agency.