US Bridges

Nfa A315 over Beaver Dam Creek

Good

Dickson County, Tennessee · 0.75 M. S. SR96. · Structure no. 220A3150001

Built
2002
23 years old
Condition
Good
inspected June 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
51 ft
1 main span
Daily traffic
490
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A315 over Beaver Dam Creek is a prestressed concrete box beam or girders - single or spread carrying Nfa A315 over Beaver Dam Creek in Dickson 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 490 vehicles a day, roughly 2% of them trucks, projected to reach 784 by 2040. The structure is 51 ft (15.5 m) long and 28 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesNfa A315
CrossesBeaver Dam Creek
Location0.75 M. S. SR96.
RouteCounty Highway 315
Coordinates36.0387, -87.30486
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length51 ft (15.5 m)
Longest span50 ft (15.1 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic490 (2020)
Projected traffic784 by 2040
Trucks2%
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 A315 over Beaver Dam Creek built?

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

What condition is Nfa A315 over Beaver Dam 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 June 2024.

How much traffic does Nfa A315 over Beaver Dam Creek carry?

About 490 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A315 over Beaver Dam Creek?

The structure is 51 ft (15.5 m) long with a longest span of 50 ft (15.1 m) and a deck 28 ft wide.

Who owns Nfa A315 over Beaver Dam Creek?

It is owned by the County Highway Agency.