US Bridges

Nfa B345 244044A over CSX Railroad

Fair

Washington County, Tennessee · N of SR67 at Estu · Structure no. 900B3450001

Built
1973
52 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
73 ft
1 main span
Daily traffic
2,080
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa B345 244044A over CSX Railroad is a prestressed concrete stringer/multi-beam or girder carrying Nfa B345 244044A over CSX Railroad in Washington County, Tennessee. It was built in 1973, so it is 52 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.

It carries about 2,080 vehicles a day, roughly 2% of them trucks, projected to reach 3,328 by 2042. The structure is 73 ft (22.3 m) long and 40 ft wide.

CarriesNfa B345 244044A
CrossesCSX Railroad
LocationN of SR67 at Estu
RouteCity Street 345
Coordinates36.29935, -82.36902
Functional classUrban Local

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.3 US tons
Inventory rating28.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length73 ft (22.3 m)
Longest span69 ft (20.9 m)
Deck width40 ft (12.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,080 (2020)
Projected traffic3,328 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed—
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 Nfa B345 244044A over CSX Railroad built?

It was built in 1973, making it 52 years old in 2025.

What condition is Nfa B345 244044A 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 June 2024.

How much traffic does Nfa B345 244044A over CSX Railroad carry?

About 2,080 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa B345 244044A over CSX Railroad?

The structure is 73 ft (22.3 m) long with a longest span of 69 ft (20.9 m) and a deck 40 ft wide.

Who owns Nfa B345 244044A over CSX Railroad?

It is owned by the City or Municipal Highway Agency.