US Bridges

FAS 21 over Branch

Good

Lake County, Tennessee · 1.2 M S of SR22 · Structure no. 48SR0210001

Built
2017
8 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
116 ft
2 main spans
Daily traffic
368
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 21 over Branch is a prestressed concrete continuous stringer/multi-beam or girder carrying FAS 21 over Branch in Lake County, Tennessee. It was built in 2017, so it is 8 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 368 vehicles a day, roughly 5% of them trucks, projected to reach 592 by 2040. The structure is 116 ft (35.4 m) long and 29 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesFAS 21
CrossesBranch
Location1.2 M S of SR22
RouteState Highway 21
Coordinates36.36906, -89.48786
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length116 ft (35.4 m)
Longest span53 ft (16.2 m)
Deck width29 ft (8.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic368 (2021)
Projected traffic592 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 21 over Branch built?

It was built in 2017, making it 8 years old in 2025.

What condition is FAS 21 over 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 2024.

How much traffic does FAS 21 over Branch carry?

About 368 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAS 21 over Branch?

The structure is 116 ft (35.4 m) long with a longest span of 53 ft (16.2 m) and a deck 29 ft wide.

Who owns FAS 21 over Branch?

It is owned by the State Highway Agency.