US Bridges

Nfa B007 over Sulphur Fork Creek

Good

Sumner County, Tennessee · 3.5 MI N JCT SR52&SR259 · Structure no. 830B0070003

Built
2011
14 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
76 ft
1 main span
Daily traffic
40
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa B007 over Sulphur Fork Creek is a prestressed concrete box beam or girders - single or spread carrying Nfa B007 over Sulphur Fork Creek in Sumner County, Tennessee. It was built in 2011, so it is 14 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 40 vehicles a day, roughly 4% of them trucks, projected to reach 64 by 2041. The structure is 76 ft (23.2 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNfa B007
CrossesSulphur Fork Creek
Location3.5 MI N JCT SR52&SR259
RouteCounty Highway 0B007
Coordinates36.62765, -86.39295
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 protection8 Very GoodNo problems noted.
Last inspectionOctober 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.6 US tons
Inventory rating41.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length76 ft (23.2 m)
Longest span74 ft (22.6 m)
Deck width24 ft (7.2 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2020)
Projected traffic64 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa B007 over Sulphur Fork Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is Nfa B007 over Sulphur Fork 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 B007 over Sulphur Fork Creek carry?

About 40 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Nfa B007 over Sulphur Fork Creek?

The structure is 76 ft (23.2 m) long with a longest span of 74 ft (22.6 m) and a deck 24 ft wide.

Who owns Nfa B007 over Sulphur Fork Creek?

It is owned by the County Highway Agency.