US Bridges

FAS 91 over Laurel Branch

Good

Carter County, Tennessee · In the Holston Mts · Structure no. 10SR0910015

Built
2002
23 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
5,380
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 91 over Laurel Branch is a concrete continuous culvert carrying FAS 91 over Laurel Branch in Carter County, Tennessee. It was built in 2002, so it is 23 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,380 vehicles a day, roughly 6% of them trucks, projected to reach 7,918 by 2041. The structure is 23 ft (7 m) long and 40 ft wide. If it were closed, the detour would be 62.1 mi (100 km).

CarriesFAS 91
CrossesLaurel Branch
LocationIn the Holston Mts
RouteState Highway 91
Coordinates36.41563, -82.07729
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum 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 rating99.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span10 ft (3.2 m)
Deck width40 ft (12.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,380 (2021)
Projected traffic7,918 by 2041
Trucks6%
Lanes on structure3
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 statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$271,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 91 over Laurel Branch built?

It was built in 2002, making it 23 years old in 2025.

What condition is FAS 91 over Laurel 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 Laurel Branch carry?

About 5,380 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is FAS 91 over Laurel Branch?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3.2 m) and a deck 40 ft wide.

Who owns FAS 91 over Laurel Branch?

It is owned by the State Highway Agency.