US Bridges

FAS 91 over Furnace Branch

Good

Carter County, Tennessee · .3 M of Et&wnc RR · Structure no. 10SR0910023

Built
1999
26 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
6,824
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 91 over Furnace Branch is a concrete continuous culvert carrying FAS 91 over Furnace Branch in Carter County, Tennessee. It was built in 1999, so it is 26 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,824 vehicles a day, roughly 4% of them trucks, projected to reach 9,211 by 2041. The structure is 25 ft (7.6 m) long and 64 ft wide. If it were closed, the detour would be 62.1 mi (100 km).

Location

Open in Google Maps
CarriesFAS 91
CrossesFurnace Branch
Location.3 M of Et&wnc RR
RouteState Highway 91
CountyCarter County
StateTennessee
Coordinates36.39682, -82.11436
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span10 ft (3.2 m)
Deck width64 ft (19.5 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,824 (2021)
Projected traffic9,211 by 2041
Trucks4%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed62.1 mi (100 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$404,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 91 over Furnace Branch built?

It was built in 1999, making it 26 years old in 2025.

What condition is FAS 91 over Furnace Branch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.

How much traffic does FAS 91 over Furnace Branch carry?

About 6,824 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is FAS 91 over Furnace Branch?

The structure is 25 ft (7.6 m) long with a longest span of 10 ft (3.2 m) and a deck 64 ft wide.

Who owns FAS 91 over Furnace Branch?

It is owned by the State Highway Agency.