US Bridges

Nfa 1985 (sa 2602) over Dog Creek

Fair

Franklin County, Tennessee · North of US64 · Structure no. 26019850005

Built
1988
37 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete Continuous
Length
37 ft
2 main spans
Daily traffic
270
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1985 (sa 2602) over Dog Creek is a concrete continuous culvert carrying Nfa 1985 (sa 2602) over Dog Creek in Franklin County, Tennessee. It was built in 1988, so it is 37 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 270 vehicles a day, roughly 3% of them trucks, projected to reach 376 by 2041. The structure is 37 ft (11.3 m) long and 41 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesNfa 1985 (sa 2602)
CrossesDog Creek
LocationNorth of US64
RouteCounty Highway 1985
CountyFranklin County
StateTennessee
Coordinates35.11087, -86.26232
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span12 ft (3.7 m)
Deck width41 ft (12.5 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic270 (2021)
Projected traffic376 by 2041
Trucks3%
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 1985 (sa 2602) over Dog Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is Nfa 1985 (sa 2602) over Dog Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2023.

How much traffic does Nfa 1985 (sa 2602) over Dog Creek carry?

About 270 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1985 (sa 2602) over Dog Creek?

The structure is 37 ft (11.3 m) long with a longest span of 12 ft (3.7 m) and a deck 41 ft wide.

Who owns Nfa 1985 (sa 2602) over Dog Creek?

It is owned by the County Highway Agency.