US Bridges

FAS 91 over Gentry Creek

Fair

Johnson County, Tennessee · In Laurel Bloomery · Structure no. 46SR0910009

Built
1970
55 years old, rebuilt 1989
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
4,112
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 91 over Gentry Creek is a steel stringer/multi-beam or girder carrying FAS 91 over Gentry Creek in Johnson County, Tennessee. It was built in 1970 and reconstructed in 1989, so it is 55 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 4,112 vehicles a day, roughly 5% of them trucks, projected to reach 6,579 by 2042. The structure is 31 ft (9.6 m) long and 29 ft wide. If it were closed, the detour would be 37.3 mi (60 km).

Location

No coordinates are recorded for this structure.

CarriesFAS 91
CrossesGentry Creek
LocationIn Laurel Bloomery
RouteState Highway 91
CountyJohnson County
StateTennessee
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating50.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length31 ft (9.6 m)
Longest span27 ft (8.1 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,112 (2021)
Projected traffic6,579 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.3 mi (60 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$173,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 91 over Gentry Creek built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 1989.

What condition is FAS 91 over Gentry 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 September 2024.

How much traffic does FAS 91 over Gentry Creek carry?

About 4,112 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAS 91 over Gentry Creek?

The structure is 31 ft (9.6 m) long with a longest span of 27 ft (8.1 m) and a deck 29 ft wide.

Who owns FAS 91 over Gentry Creek?

It is owned by the State Highway Agency.