US Bridges

Nfa A645 over Shoal Creek

PoorPosted for load

Lawrence County, Tennessee · .2 M. S. SR15@ Lawrencebe · Structure no. 500A6450003

Built
1933
92 years old
Condition
Poor
inspected June 2023
Type
Truss - Thru
Steel
Length
202 ft
1 main span
Daily traffic
80
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A645 over Shoal Creek is a steel truss - thru carrying Nfa A645 over Shoal Creek in Lawrence County, Tennessee. It was built in 1933, so it is 92 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 80 vehicles a day, roughly 2% of them trucks, projected to reach 128 by 2042. The structure is 202 ft (61.6 m) long and 22 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. S. SR15@ Lawrencebe
RouteCity Street 645
CountyLawrence County
StateTennessee
Coordinates35.24204, -87.35378
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
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 rating15 US tons
Inventory rating11.5 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+3 approach)
Design loadH 10
Structure length202 ft (61.6 m)
Longest span115 ft (34.9 m)
Deck width22 ft (6.6 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deck11 ft (3.4 m)

Traffic and service

Average daily traffic80 (2020)
Projected traffic128 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 of existing bridge without deck rehabilitation
Estimated improvement cost$616,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A645 over Shoal Creek built?

It was built in 1933, making it 92 years old in 2025.

What condition is Nfa A645 over Shoal Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2023.

How much traffic does Nfa A645 over Shoal Creek carry?

About 80 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A645 over Shoal Creek?

The structure is 202 ft (61.6 m) long with a longest span of 115 ft (34.9 m) and a deck 22 ft wide.

Who owns Nfa A645 over Shoal Creek?

It is owned by the City or Municipal Highway Agency.