US Bridges

Nfa 947 (sa 6106) over Lewis Creek

Good

Meigs County, Tennessee · East of SR58 · Structure no. 61004580005

Built
1940
85 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
542
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 947 (sa 6106) over Lewis Creek is a concrete continuous culvert carrying Nfa 947 (sa 6106) over Lewis Creek in Meigs County, Tennessee. It was built in 1940, so it is 85 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 542 vehicles a day, roughly 3% of them trucks, projected to reach 798 by 2042. The structure is 23 ft (7 m) long and 22 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa 947 (sa 6106)
CrossesLewis Creek
LocationEast of SR58
RouteCounty Highway 947
CountyMeigs County
StateTennessee
Coordinates35.39257, -84.89543
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.5 US tons
Inventory rating24.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width22 ft (6.8 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic542 (2021)
Projected traffic798 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$104,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 947 (sa 6106) over Lewis Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is Nfa 947 (sa 6106) over Lewis 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 June 2023.

How much traffic does Nfa 947 (sa 6106) over Lewis Creek carry?

About 542 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 947 (sa 6106) over Lewis Creek?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m) and a deck 22 ft wide.

Who owns Nfa 947 (sa 6106) over Lewis Creek?

It is owned by the County Highway Agency.