US Bridges

FAS 99 over Murray Branch

Poor

Rutherford County, Tennessee · 4.1 M W Cannon CO Line · Structure no. 75S61900001

Built
1945
80 years old
Condition
Poor
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
24 ft
1 main span
Daily traffic
531
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 99 over Murray Branch is a steel stringer/multi-beam or girder carrying FAS 99 over Murray Branch in Rutherford County, Tennessee. It was built in 1945, so it is 80 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 531 vehicles a day, roughly 5% of them trucks, projected to reach 850 by 2042. The structure is 24 ft (7.3 m) long and 22 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesFAS 99
CrossesMurray Branch
Location4.1 M W Cannon CO Line
RouteState Highway SR099
Coordinates35.75948, -86.26382
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.2 US tons
Inventory rating25.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length24 ft (7.3 m)
Longest span23 ft (7 m)
Deck width22 ft (6.8 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic531 (2021)
Projected traffic850 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$449,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 99 over Murray Branch built?

It was built in 1945, making it 80 years old in 2025.

What condition is FAS 99 over Murray Branch in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2024.

How much traffic does FAS 99 over Murray Branch carry?

About 531 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAS 99 over Murray Branch?

The structure is 24 ft (7.3 m) long with a longest span of 23 ft (7 m) and a deck 22 ft wide.

Who owns FAS 99 over Murray Branch?

It is owned by the State Highway Agency.