US Bridges

Nfa B972 over Little Turkey Creek

Good

Knox County, Tennessee · Btwn I40 & US70-E of CO L · Structure no. 470B9720001

Built
1968
57 years old
Condition
Good
inspected April 2024
Type
Channel Beam
Concrete
Length
27 ft
1 main span
Daily traffic
860
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa B972 over Little Turkey Creek is a concrete channel beam carrying Nfa B972 over Little Turkey Creek in Knox County, Tennessee. It was built in 1968, so it is 57 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 860 vehicles a day, roughly 1% of them trucks, projected to reach 1,424 by 2040. The structure is 27 ft (8.2 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNfa B972
CrossesLittle Turkey Creek
LocationBtwn I40 & US70-E of CO L
RouteCity Street 972
Coordinates35.87107, -84.20672
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
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 typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span25 ft (7.6 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic860 (2021)
Projected traffic1,424 by 2040
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$106,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa B972 over Little Turkey Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is Nfa B972 over Little Turkey 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 April 2024.

How much traffic does Nfa B972 over Little Turkey Creek carry?

About 860 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Nfa B972 over Little Turkey Creek?

The structure is 27 ft (8.2 m) long with a longest span of 25 ft (7.6 m) and a deck 24 ft wide.

Who owns Nfa B972 over Little Turkey Creek?

It is owned by the City or Municipal Highway Agency.