US Bridges

Nfa A372 over Cobb Creek

Good

Madison County, Tennessee · 5.7 MI NE JCT SR138&SR223 · Structure no. 570A3720001

Built
2005
20 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete Continuous
Length
31 ft
2 main spans
Daily traffic
80
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A372 over Cobb Creek is a concrete continuous culvert carrying Nfa A372 over Cobb Creek in Madison County, Tennessee. It was built in 2005, so it is 20 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 80 vehicles a day, roughly 3% of them trucks, projected to reach 128 by 2041. The structure is 31 ft (9.5 m) long and 31 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesNfa A372
CrossesCobb Creek
Location5.7 MI NE JCT SR138&SR223
RouteCounty Highway 372
Coordinates35.49619, -88.92275
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length31 ft (9.5 m)
Longest span14 ft (4.3 m)
Deck width31 ft (9.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2020)
Projected traffic128 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A372 over Cobb Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is Nfa A372 over Cobb 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 May 2023.

How much traffic does Nfa A372 over Cobb Creek carry?

About 80 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is Nfa A372 over Cobb Creek?

The structure is 31 ft (9.5 m) long with a longest span of 14 ft (4.3 m) and a deck 31 ft wide.

Who owns Nfa A372 over Cobb Creek?

It is owned by the County Highway Agency.