US Bridges

Nfa F770 over CSX Railroad

Fair

Davidson County, Tennessee · Crossings Blvd.-Nashville · Structure no. 190F7700001

Built
1990
35 years old
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
154 ft
3 main spans
Daily traffic
14,040
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa F770 over CSX Railroad is a prestressed concrete continuous box beam or girders - single or spread carrying Nfa F770 over CSX Railroad in Davidson County, Tennessee. It was built in 1990, so it is 35 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 14,040 vehicles a day, roughly 2% of them trucks, projected to reach 22,464 by 2041. The structure is 154 ft (46.9 m) long and 82 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNfa F770
CrossesCSX Railroad
LocationCrossings Blvd.-Nashville
RouteCity Street 770
CountyDavidson County
StateTennessee
Coordinates36.04368, -86.64705
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.
Substructure7 GoodSome minor problems.
Last inspectionAugust 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 rating49.6 US tons
Inventory rating34.7 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length154 ft (46.9 m)
Longest span70 ft (21.2 m)
Deck width82 ft (25.1 m)
Roadway width67 ft (20.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,040 (2020)
Projected traffic22,464 by 2041
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 F770 over CSX Railroad built?

It was built in 1990, making it 35 years old in 2025.

What condition is Nfa F770 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 August 2023.

How much traffic does Nfa F770 over CSX Railroad carry?

About 14,040 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa F770 over CSX Railroad?

The structure is 154 ft (46.9 m) long with a longest span of 70 ft (21.2 m) and a deck 82 ft wide.

Who owns Nfa F770 over CSX Railroad?

It is owned by the City or Municipal Highway Agency.