US Bridges

Nfa A418 over Bluewater Creek

Fair

Lawrence County, Tennessee · 3.2 M. Ne. Loretto. · Structure no. 500A4180001

Built
1950
75 years old, rebuilt 1979
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
64 ft
2 main spans
Daily traffic
130
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A418 over Bluewater Creek is a steel stringer/multi-beam or girder carrying Nfa A418 over Bluewater Creek in Lawrence County, Tennessee. It was built in 1950 and reconstructed in 1979, so it is 75 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 6 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 130 vehicles a day, roughly 2% of them trucks, projected to reach 208 by 2041. The structure is 64 ft (19.5 m) long and 19 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNfa A418
CrossesBluewater Creek
Location3.2 M. Ne. Loretto.
RouteCounty Highway 418
CountyLawrence County
StateTennessee
Coordinates35.09405, -87.38115
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
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 rating41.8 US tons
Inventory rating24.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length64 ft (19.5 m)
Longest span29 ft (8.9 m)
Deck width19 ft (5.9 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2020)
Projected traffic208 by 2041
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$257,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A418 over Bluewater Creek built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1979.

What condition is Nfa A418 over Bluewater 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 May 2023.

How much traffic does Nfa A418 over Bluewater Creek carry?

About 130 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A418 over Bluewater Creek?

The structure is 64 ft (19.5 m) long with a longest span of 29 ft (8.9 m) and a deck 19 ft wide.

Who owns Nfa A418 over Bluewater Creek?

It is owned by the County Highway Agency.