US Bridges

Nfa A708 over Robinson Creek

Fair

Franklin County, Tennessee · East of SR97 · Structure no. 260A7080001

Built
1993
32 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete Continuous
Length
60 ft
3 main spans
Daily traffic
620
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A708 over Robinson Creek is a concrete continuous culvert carrying Nfa A708 over Robinson Creek in Franklin County, Tennessee. It was built in 1993, so it is 32 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 5 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 620 vehicles a day, roughly 2% of them trucks, projected to reach 992 by 2041. The structure is 60 ft (18.3 m) long and 34 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa A708
CrossesRobinson Creek
LocationEast of SR97
RouteCounty Highway 708
CountyFranklin County
StateTennessee
Coordinates35.07482, -86.28992
Functional classRural Local

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span18 ft (5.5 m)
Deck width34 ft (10.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic620 (2020)
Projected traffic992 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 A708 over Robinson Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is Nfa A708 over Robinson 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 September 2023.

How much traffic does Nfa A708 over Robinson Creek carry?

About 620 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A708 over Robinson Creek?

The structure is 60 ft (18.3 m) long with a longest span of 18 ft (5.5 m) and a deck 34 ft wide.

Who owns Nfa A708 over Robinson Creek?

It is owned by the County Highway Agency.