US Bridges

Nfa B970 over Pistol Creek

Good

Blount County, Tennessee · City of Rockford · Structure no. 050D9820001

Built
1998
27 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
351 ft
5 main spans
Daily traffic
1,456
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa B970 over Pistol Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Nfa B970 over Pistol Creek in Blount County, Tennessee. It was built in 1998, so it is 27 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 1,456 vehicles a day, roughly 1% of them trucks, projected to reach 2,330 by 2042. The structure is 351 ft (107 m) long and 42 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNfa B970
CrossesPistol Creek
LocationCity of Rockford
RouteCity Street 970
Coordinates35.8091, -83.94515
Functional classUrban Collector

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating64.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length351 ft (107 m)
Longest span71 ft (21.6 m)
Deck width42 ft (12.7 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,456 (2021)
Projected traffic2,330 by 2042
Trucks1%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 B970 over Pistol Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is Nfa B970 over Pistol 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 December 2023.

How much traffic does Nfa B970 over Pistol Creek carry?

About 1,456 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Nfa B970 over Pistol Creek?

The structure is 351 ft (107 m) long with a longest span of 71 ft (21.6 m) and a deck 42 ft wide.

Who owns Nfa B970 over Pistol Creek?

It is owned by the City or Municipal Highway Agency.