US Bridges

Union St. over Rosa L. Parks Blvd.

Fair

Davidson County, Tennessee · Union St/J Robertson Pkwy · Structure no. 19SR0060011

Built
1954
71 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
111 ft
2 main spans
Daily traffic
5,323
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Union St. over Rosa L. Parks Blvd. is a steel continuous stringer/multi-beam or girder carrying Union St. over Rosa L. Parks Blvd. in Davidson County, Tennessee. It was built in 1954, so it is 71 years old, older 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 5 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 5,323 vehicles a day, roughly 4% of them trucks, projected to reach 7,088 by 2041. The structure is 111 ft (33.8 m) long and 54 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesUnion St.
CrossesRosa L. Parks Blvd.
LocationUnion St/J Robertson Pkwy
RouteCity Street 3274
Coordinates36.16223, -86.7852
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56.4 US tons
Inventory rating33.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length111 ft (33.8 m)
Longest span52 ft (15.8 m)
Deck width54 ft (16.5 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,323 (2021)
Projected traffic7,088 by 2041
Trucks4%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed5 mi (8 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$482,000 (2021 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Union St. over Rosa L. Parks Blvd. built?

It was built in 1954, making it 71 years old in 2025.

What condition is Union St. over Rosa L. Parks Blvd. 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 May 2023.

How much traffic does Union St. over Rosa L. Parks Blvd. carry?

About 5,323 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Union St. over Rosa L. Parks Blvd.?

The structure is 111 ft (33.8 m) long with a longest span of 52 ft (15.8 m) and a deck 54 ft wide.

Who owns Union St. over Rosa L. Parks Blvd.?

It is owned by the City or Municipal Highway Agency.