US Bridges

FAS 106 over Branch

FairPosted for load

Williamson County, Tennessee · .8 M N JCT SR106&SR248 · Structure no. 94SR1060029

Built
1948
77 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
21 ft
1 main span
Daily traffic
11,342
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 106 over Branch is a steel stringer/multi-beam or girder carrying FAS 106 over Branch in Williamson County, Tennessee. It was built in 1948, so it is 77 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 11,342 vehicles a day, roughly 9% of them trucks, projected to reach 16,133 by 2041. The structure is 21 ft (6.4 m) long and 28 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesFAS 106
CrossesBranch
Location.8 M N JCT SR106&SR248
RouteU.S. Route 431
CountyWilliamson County
StateTennessee
Coordinates35.87233, -86.84495
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating19.6 US tons
Inventory rating15 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length21 ft (6.4 m)
Longest span17 ft (5.2 m)
Deck width28 ft (8.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,342 (2021)
Projected traffic16,133 by 2041
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$151,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 106 over Branch built?

It was built in 1948, making it 77 years old in 2025.

What condition is FAS 106 over 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 January 2025.

How much traffic does FAS 106 over Branch carry?

About 11,342 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is FAS 106 over Branch?

The structure is 21 ft (6.4 m) long with a longest span of 17 ft (5.2 m) and a deck 28 ft wide.

Who owns FAS 106 over Branch?

It is owned by the State Highway Agency.