US Bridges

Nfa B305 over Tennessee Southern RR

GoodPosted for load

Maury County, Tennessee · 2 M. S. US43 · Structure no. 600B3050001

Built
2006
19 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
176 ft
3 main spans
Daily traffic
230
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa B305 over Tennessee Southern RR is a steel continuous stringer/multi-beam or girder carrying Nfa B305 over Tennessee Southern RR in Maury County, Tennessee. It was built in 2006, so it is 19 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. Its operating status is: posted for load restriction.

It carries about 230 vehicles a day, roughly 2% of them trucks, projected to reach 368 by 2040. The structure is 176 ft (53.6 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNfa B305
CrossesTennessee Southern RR
Location2 M. S. US43
RouteCity Street 305
Coordinates35.61118, -87.04996
Functional classUrban Local

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.
Substructure8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.4 US tons
Inventory rating21.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length176 ft (53.6 m)
Longest span83 ft (25.4 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic230 (2020)
Projected traffic368 by 2040
Trucks2%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nfa B305 over Tennessee Southern RR built?

It was built in 2006, making it 19 years old in 2025.

What condition is Nfa B305 over Tennessee Southern RR 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 July 2024.

How much traffic does Nfa B305 over Tennessee Southern RR carry?

About 230 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa B305 over Tennessee Southern RR?

The structure is 176 ft (53.6 m) long with a longest span of 83 ft (25.4 m) and a deck 30 ft wide.

Who owns Nfa B305 over Tennessee Southern RR?

It is owned by the City or Municipal Highway Agency.