US Bridges

Nfa B435 244046N over CSX Railroad

Poor

Washington County, Tennessee · Just W of SR381-SR67 JCT · Structure no. 900B4350001

Built
1970
55 years old
Condition
Poor
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
134 ft
3 main spans
Daily traffic
700
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa B435 244046N over CSX Railroad is a prestressed concrete box beam or girders - multiple carrying Nfa B435 244046N over CSX Railroad in Washington County, Tennessee. It was built in 1970, so it is 55 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 700 vehicles a day, roughly 2% of them trucks, projected to reach 1,120 by 2042. The structure is 134 ft (40.8 m) long and 32 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNfa B435 244046N
CrossesCSX Railroad
LocationJust W of SR381-SR67 JCT
RouteCity Street 435
Coordinates36.3003, -82.35468
Functional classUrban Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJune 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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans3
Design loadHS 20
Structure length134 ft (40.8 m)
Longest span45 ft (13.6 m)
Deck width32 ft (9.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2020)
Projected traffic1,120 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed123.7 mi (199 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.7 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nfa B435 244046N over CSX Railroad built?

It was built in 1970, making it 55 years old in 2025.

What condition is Nfa B435 244046N over CSX Railroad 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 June 2024.

How much traffic does Nfa B435 244046N over CSX Railroad carry?

About 700 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa B435 244046N over CSX Railroad?

The structure is 134 ft (40.8 m) long with a longest span of 45 ft (13.6 m) and a deck 32 ft wide.

Who owns Nfa B435 244046N over CSX Railroad?

It is owned by the City or Municipal Highway Agency.