US Bridges

Nfa A615 over Blooming Grove Creek

GoodPosted for load

Montgomery County, Tennessee · .5 M. W. of Dotsonville · Structure no. 630A6150001

Built
1976
49 years old, rebuilt 2024
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
128 ft
3 main spans
Daily traffic
430
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A615 over Blooming Grove Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Nfa A615 over Blooming Grove Creek in Montgomery County, Tennessee. It was built in 1976 and reconstructed in 2024, so it is 49 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. Its operating status is: posted for load restriction.

It carries about 430 vehicles a day, roughly 2% of them trucks, projected to reach 688 by 2042. The structure is 128 ft (39.1 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNfa A615
CrossesBlooming Grove Creek
Location.5 M. W. of Dotsonville
RouteCounty Highway 615
Coordinates36.47987, -87.52302
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating30.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length128 ft (39.1 m)
Longest span43 ft (13.1 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic430 (2020)
Projected traffic688 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$395,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A615 over Blooming Grove Creek built?

It was built in 1976, making it 49 years old in 2025. It was reconstructed in 2024.

What condition is Nfa A615 over Blooming Grove 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 A615 over Blooming Grove Creek carry?

About 430 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A615 over Blooming Grove Creek?

The structure is 128 ft (39.1 m) long with a longest span of 43 ft (13.1 m) and a deck 32 ft wide.

Who owns Nfa A615 over Blooming Grove Creek?

It is owned by the County Highway Agency.