US Bridges

FAS 305 over Forrest Hill Branch

Fair

McMinn County, Tennessee · In Athens; 1 M N SR 30 · Structure no. 54SR3050015

Built
1930
95 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
30 ft
1 main span
Daily traffic
6,052
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 305 over Forrest Hill Branch is a concrete culvert carrying FAS 305 over Forrest Hill Branch in McMinn County, Tennessee. It was built in 1930, so it is 95 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 6,052 vehicles a day, roughly 4% of them trucks, projected to reach 9,597 by 2041. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesFAS 305
CrossesForrest Hill Branch
LocationIn Athens; 1 M N SR 30
RouteState Highway 305
CountyMcMinn County
StateTennessee
Coordinates35.45806, -84.5809
Functional classUrban 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
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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1 (+1 approach)
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span16 ft (4.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,052 (2021)
Projected traffic9,597 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$317,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 305 over Forrest Hill Branch built?

It was built in 1930, making it 95 years old in 2025.

What condition is FAS 305 over Forrest Hill Branch 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 FAS 305 over Forrest Hill Branch carry?

About 6,052 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is FAS 305 over Forrest Hill Branch?

The structure is 30 ft (9.1 m) long with a longest span of 16 ft (4.9 m).

Who owns FAS 305 over Forrest Hill Branch?

It is owned by the State Highway Agency.