US Bridges

FAU 3148 348167B over CSX Railroad

Fair

Montgomery County, Tennessee · .15 Mile South of SR013 · Structure no. 63S31480001

Built
1991
34 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
154 ft
3 main spans
Daily traffic
11,177
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 3148 348167B over CSX Railroad is a prestressed concrete continuous stringer/multi-beam or girder carrying FAU 3148 348167B over CSX Railroad in Montgomery County, Tennessee. It was built in 1991, so it is 34 years old, younger 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.

It carries about 11,177 vehicles a day, roughly 3% of them trucks, projected to reach 18,704 by 2040. The structure is 154 ft (46.9 m) long and 42 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesFAU 3148 348167B
CrossesCSX Railroad
Location.15 Mile South of SR013
RouteCity Street 3148
CountyMontgomery County
StateTennessee
Coordinates36.55272, -87.32272
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating34.6 US tons
Inventory rating20.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length154 ft (46.9 m)
Longest span53 ft (16.2 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,177 (2021)
Projected traffic18,704 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAU 3148 348167B over CSX Railroad built?

It was built in 1991, making it 34 years old in 2025.

What condition is FAU 3148 348167B over CSX Railroad 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 September 2024.

How much traffic does FAU 3148 348167B over CSX Railroad carry?

About 11,177 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is FAU 3148 348167B over CSX Railroad?

The structure is 154 ft (46.9 m) long with a longest span of 53 ft (16.2 m) and a deck 42 ft wide.

Who owns FAU 3148 348167B over CSX Railroad?

It is owned by the City or Municipal Highway Agency.