US Bridges

Nfa B641 over Winthorne Dr/Briley Pkwy

Good

Davidson County, Tennessee · Winthorne Dr@murfboro RD · Structure no. 19SR1550013

Built
2002
23 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
201 ft
2 main spans
Daily traffic
2,180
2020 count
Owner
State
State Highway Agency

About this bridge

Nfa B641 over Winthorne Dr/Briley Pkwy is a steel continuous stringer/multi-beam or girder carrying Nfa B641 over Winthorne Dr/Briley Pkwy in Davidson County, Tennessee. It was built in 2002, so it is 23 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 2,180 vehicles a day, roughly 2% of them trucks, projected to reach 3,488 by 2041. The structure is 201 ft (61.4 m) long and 40 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesNfa B641
CrossesWinthorne Dr/Briley Pkwy
LocationWinthorne Dr@murfboro RD
RouteCity Street 641
Coordinates36.11732, -86.7028
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
Deck7 GoodSome minor problems.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating34.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length201 ft (61.4 m)
Longest span99 ft (30.2 m)
Deck width40 ft (12.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,180 (2020)
Projected traffic3,488 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 B641 over Winthorne Dr/Briley Pkwy built?

It was built in 2002, making it 23 years old in 2025.

What condition is Nfa B641 over Winthorne Dr/Briley Pkwy 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 2023.

How much traffic does Nfa B641 over Winthorne Dr/Briley Pkwy carry?

About 2,180 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa B641 over Winthorne Dr/Briley Pkwy?

The structure is 201 ft (61.4 m) long with a longest span of 99 ft (30.2 m) and a deck 40 ft wide.

Who owns Nfa B641 over Winthorne Dr/Briley Pkwy?

It is owned by the State Highway Agency.