US Bridges

Nfa A100 over Lewis Creek

Fair

Dyer County, Tennessee · 0.3 MI E of Dyersburg · Structure no. 230A1000003

Built
1965
60 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
90 ft
1 main span
Daily traffic
150
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A100 over Lewis Creek is a steel stringer/multi-beam or girder carrying Nfa A100 over Lewis Creek in Dyer County, Tennessee. It was built in 1965, so it is 60 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 150 vehicles a day, roughly 4% of them trucks, projected to reach 240 by 2042. The structure is 90 ft (27.4 m) long and 19 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesNfa A100
CrossesLewis Creek
Location0.3 MI E of Dyersburg
RouteCounty Highway 100
CountyDyer County
StateTennessee
Coordinates36.01844, -89.36491
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating20.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckSteel plate
Main spans1
Design loadH 10
Structure length90 ft (27.4 m)
Longest span85 ft (25.8 m)
Deck width19 ft (5.9 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2020)
Projected traffic240 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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$133,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A100 over Lewis Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Nfa A100 over Lewis 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 October 2023.

How much traffic does Nfa A100 over Lewis Creek carry?

About 150 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Nfa A100 over Lewis Creek?

The structure is 90 ft (27.4 m) long with a longest span of 85 ft (25.8 m) and a deck 19 ft wide.

Who owns Nfa A100 over Lewis Creek?

It is owned by the County Highway Agency.