US Bridges

Nfa B734 244014H over CSX Railroad

Good

Washington County, Tennessee · 1 MI NE of I181-SR75 Exch · Structure no. 900B7340001

Built
2010
15 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
157 ft
3 main spans
Daily traffic
200
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa B734 244014H over CSX Railroad is a prestressed concrete continuous stringer/multi-beam or girder carrying Nfa B734 244014H over CSX Railroad in Washington County, Tennessee. It was built in 2010, so it is 15 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 200 vehicles a day, roughly 2% of them trucks, projected to reach 320 by 2042. The structure is 157 ft (47.9 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNfa B734 244014H
CrossesCSX Railroad
Location1 MI NE of I181-SR75 Exch
RouteCounty Highway 734
Coordinates36.41191, -82.46326
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating72.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length157 ft (47.9 m)
Longest span71 ft (21.5 m)
Deck width26 ft (8 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2020)
Projected traffic320 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 B734 244014H over CSX Railroad built?

It was built in 2010, making it 15 years old in 2025.

What condition is Nfa B734 244014H over CSX Railroad 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 April 2024.

How much traffic does Nfa B734 244014H over CSX Railroad carry?

About 200 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa B734 244014H over CSX Railroad?

The structure is 157 ft (47.9 m) long with a longest span of 71 ft (21.5 m) and a deck 26 ft wide.

Who owns Nfa B734 244014H over CSX Railroad?

It is owned by the County Highway Agency.