US Bridges

Nfa A645 over Shoal Creek

Fair

Lawrence County, Tennessee · .2 M. N. SR15LAWRENCEBERG · Structure no. 500A6450005

Built
1930
95 years old
Condition
Fair
inspected June 2023
Type
Slab
Concrete Continuous
Length
111 ft
3 main spans
Daily traffic
10
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A645 over Shoal Creek is a concrete continuous slab carrying Nfa A645 over Shoal Creek in Lawrence County, Tennessee. It was built in 1930, so it is 95 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 10 vehicles a day, roughly 2% of them trucks, projected to reach 16 by 2042. The structure is 111 ft (33.9 m) long and 21 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNfa A645
CrossesShoal Creek
Location.2 M. N. SR15LAWRENCEBERG
RouteCity Street 645
CountyLawrence County
StateTennessee
Coordinates35.2436, -87.3464
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length111 ft (33.9 m)
Longest span37 ft (11.3 m)
Deck width21 ft (6.5 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2020)
Projected traffic16 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 with deck rehabilitation or replacement
Estimated improvement cost$269,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A645 over Shoal Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is Nfa A645 over Shoal Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2023.

How much traffic does Nfa A645 over Shoal Creek carry?

About 10 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A645 over Shoal Creek?

The structure is 111 ft (33.9 m) long with a longest span of 37 ft (11.3 m) and a deck 21 ft wide.

Who owns Nfa A645 over Shoal Creek?

It is owned by the City or Municipal Highway Agency.