US Bridges

FAS 21 over Branch

Good

Obion County, Tennessee · Near Lassiter Corner · Structure no. 66SR0210001

Built
1924
101 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete Continuous
Length
38 ft
2 main spans
Daily traffic
910
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 21 over Branch is a concrete continuous culvert carrying FAS 21 over Branch in Obion County, Tennessee. It was built in 1924, so it is 101 years old, older 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 910 vehicles a day, roughly 5% of them trucks, projected to reach 1,264 by 2041. The structure is 38 ft (11.6 m) long. If it were closed, the detour would be 73.9 mi (119 km).

CarriesFAS 21
CrossesBranch
LocationNear Lassiter Corner
RouteState Highway 21
Coordinates36.35916, -89.37031
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length38 ft (11.6 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic910 (2021)
Projected traffic1,264 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed73.9 mi (119 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 1924, making it 101 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 March 2023.

How much traffic does FAS 21 over Branch carry?

About 910 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAS 21 over Branch?

The structure is 38 ft (11.6 m) long with a longest span of 10 ft (3 m).

Who owns FAS 21 over Branch?

It is owned by the State Highway Agency.