US Bridges

Nfa A136 over Warren Branch

Good

Coffee County, Tennessee · 1 MI from Airport RD · Structure no. 160A1360001

Built
1979
46 years old
Condition
Good
inspected February 2024
Type
Culvert
Concrete Continuous
Length
37 ft
3 main spans
Daily traffic
120
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A136 over Warren Branch is a concrete continuous culvert carrying Nfa A136 over Warren Branch in Coffee County, Tennessee. It was built in 1979, so it is 46 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 120 vehicles a day, roughly 2% of them trucks, projected to reach 192 by 2042. The structure is 37 ft (11.4 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNfa A136
CrossesWarren Branch
Location1 MI from Airport RD
RouteCounty Highway 136
Coordinates35.44268, -85.98319
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 inspectionFebruary 2024
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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating53.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length37 ft (11.4 m)
Longest span12 ft (3.7 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2020)
Projected traffic192 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 A136 over Warren Branch built?

It was built in 1979, making it 46 years old in 2025.

What condition is Nfa A136 over Warren Branch 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 February 2024.

How much traffic does Nfa A136 over Warren Branch carry?

About 120 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A136 over Warren Branch?

The structure is 37 ft (11.4 m) long with a longest span of 12 ft (3.7 m) and a deck 31 ft wide.

Who owns Nfa A136 over Warren Branch?

It is owned by the County Highway Agency.