US Bridges

Nfa B139 over Cove Creek

Good

Carter County, Tennessee · .03MI W. of Stockton Rd. · Structure no. 100B1390001

Built
1998
27 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
10
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa B139 over Cove Creek is a concrete continuous culvert carrying Nfa B139 over Cove Creek in Carter County, Tennessee. It was built in 1998, so it is 27 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 10 vehicles a day, projected to reach 16 by 2039. The structure is 22 ft (6.8 m) long and 18 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNfa B139
CrossesCove Creek
Location.03MI W. of Stockton Rd.
RouteCounty Highway 139
CountyCarter County
StateTennessee
Coordinates36.13887, -82.11933
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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than 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 length22 ft (6.8 m)
Longest span10 ft (3.2 m)
Deck width18 ft (5.6 m)
Roadway width13 ft (3.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2020)
Projected traffic16 by 2039
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 B139 over Cove Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is Nfa B139 over Cove 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 July 2023.

How much traffic does Nfa B139 over Cove Creek carry?

About 10 vehicles per day (2020 count).

How long is Nfa B139 over Cove Creek?

The structure is 22 ft (6.8 m) long with a longest span of 10 ft (3.2 m) and a deck 18 ft wide.

Who owns Nfa B139 over Cove Creek?

It is owned by the County Highway Agency.