US Bridges

Nfa D005 over Flat Creek

Good

Marshall County, Tennessee · 5.1 MI SW JCT SR 11&WILLI · Structure no. 590A0340001

Built
1999
26 years old
Condition
Good
inspected June 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
65 ft
2 main spans
Daily traffic
60
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa D005 over Flat Creek is a prestressed concrete continuous box beam or girders - single or spread carrying Nfa D005 over Flat Creek in Marshall County, Tennessee. It was built in 1999, so it is 26 years old, younger 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 60 vehicles a day, roughly 2% of them trucks, projected to reach 96 by 2040. The structure is 65 ft (19.9 m) long and 23 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesNfa D005
CrossesFlat Creek
Location5.1 MI SW JCT SR 11&WILLI
RouteCounty Highway 5
Coordinates35.70221, -86.79091
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length65 ft (19.9 m)
Longest span30 ft (9.1 m)
Deck width23 ft (7 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2020)
Projected traffic96 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa D005 over Flat Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Nfa D005 over Flat 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 2024.

How much traffic does Nfa D005 over Flat Creek carry?

About 60 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa D005 over Flat Creek?

The structure is 65 ft (19.9 m) long with a longest span of 30 ft (9.1 m) and a deck 23 ft wide.

Who owns Nfa D005 over Flat Creek?

It is owned by the County Highway Agency.