US Bridges

Nfa B671 over West Fork Drakes Creek

Good

Sumner County, Tennessee · 2.5 MI NE JCT SR76&SR109 · Structure no. 83020600001

Built
1950
75 years old
Condition
Good
inspected October 2024
Type
Tee Beam
Concrete
Length
115 ft
4 main spans
Daily traffic
650
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa B671 over West Fork Drakes Creek is a concrete tee beam carrying Nfa B671 over West Fork Drakes Creek in Sumner County, Tennessee. It was built in 1950, so it is 75 years old, older 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 650 vehicles a day, roughly 1% of them trucks, projected to reach 1,040 by 2040. The structure is 115 ft (35.1 m) long and 27 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesNfa B671
CrossesWest Fork Drakes Creek
Location2.5 MI NE JCT SR76&SR109
RouteCounty Highway 0B671
Coordinates36.56168, -86.46428
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length115 ft (35.1 m)
Longest span28 ft (8.5 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic650 (2020)
Projected traffic1,040 by 2040
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa B671 over West Fork Drakes Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is Nfa B671 over West Fork Drakes Creek 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 October 2024.

How much traffic does Nfa B671 over West Fork Drakes Creek carry?

About 650 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Nfa B671 over West Fork Drakes Creek?

The structure is 115 ft (35.1 m) long with a longest span of 28 ft (8.5 m) and a deck 27 ft wide.

Who owns Nfa B671 over West Fork Drakes Creek?

It is owned by the County Highway Agency.