US Bridges

Nfa D188 350354J over CSX Railroad

Fair

Williamson County, Tennessee · 3.4 MI NE JCT SR96&I65 · Structure no. 940A1640001

Built
2014
11 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
71 ft
1 main span
Daily traffic
3,690
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa D188 350354J over CSX Railroad is a prestressed concrete stringer/multi-beam or girder carrying Nfa D188 350354J over CSX Railroad in Williamson County, Tennessee. It was built in 2014, so it is 11 years old, younger 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 3,690 vehicles a day, roughly 2% of them trucks, projected to reach 5,904 by 2041. The structure is 71 ft (21.7 m) long and 84 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesNfa D188 350354J
CrossesCSX Railroad
Location3.4 MI NE JCT SR96&I65
RouteCounty Highway 188
CountyWilliamson County
StateTennessee
Coordinates35.93755, -86.76862
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length71 ft (21.7 m)
Longest span61 ft (18.5 m)
Deck width84 ft (25.7 m)
Roadway width83 ft (25.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,690 (2020)
Projected traffic5,904 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed8.7 mi (14 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 D188 350354J over CSX Railroad built?

It was built in 2014, making it 11 years old in 2025.

What condition is Nfa D188 350354J 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 April 2023.

How much traffic does Nfa D188 350354J over CSX Railroad carry?

About 3,690 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa D188 350354J over CSX Railroad?

The structure is 71 ft (21.7 m) long with a longest span of 61 ft (18.5 m) and a deck 84 ft wide.

Who owns Nfa D188 350354J over CSX Railroad?

It is owned by the County Highway Agency.