US Bridges

Nfa A374 350422H over CSX Railroad

Good

Marshall County, Tennessee · 2.7 MI N JCT SR11&SR272 · Structure no. 590A3740001

Built
1995
30 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
178 ft
3 main spans
Daily traffic
310
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A374 350422H over CSX Railroad is a prestressed concrete continuous stringer/multi-beam or girder carrying Nfa A374 350422H over CSX Railroad in Marshall County, Tennessee. It was built in 1995, so it is 30 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.

It carries about 310 vehicles a day, roughly 2% of them trucks, projected to reach 496 by 2040. The structure is 178 ft (54.3 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNfa A374 350422H
CrossesCSX Railroad
Location2.7 MI N JCT SR11&SR272
RouteCounty Highway 374
Coordinates35.50104, -86.7764
Functional classRural 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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating71.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length178 ft (54.3 m)
Longest span67 ft (20.4 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic310 (2020)
Projected traffic496 by 2040
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 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 A374 350422H over CSX Railroad built?

It was built in 1995, making it 30 years old in 2025.

What condition is Nfa A374 350422H 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 June 2024.

How much traffic does Nfa A374 350422H over CSX Railroad carry?

About 310 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A374 350422H over CSX Railroad?

The structure is 178 ft (54.3 m) long with a longest span of 67 ft (20.4 m) and a deck 28 ft wide.

Who owns Nfa A374 350422H over CSX Railroad?

It is owned by the County Highway Agency.