US Bridges

Nfa 2072 (sa 7103) over Rock Springs Branch

Fair

Putnam County, Tennessee · 1 MI Smith Putnam CO Li · Structure no. 71020720001

Built
1960
65 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
333
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 2072 (sa 7103) over Rock Springs Branch is a concrete continuous culvert carrying Nfa 2072 (sa 7103) over Rock Springs Branch in Putnam County, Tennessee. It was built in 1960, so it is 65 years old, older 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 333 vehicles a day, roughly 3% of them trucks, projected to reach 533 by 2042. The structure is 32 ft (9.9 m) long and 50 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesNfa 2072 (sa 7103)
CrossesRock Springs Branch
Location1 MI Smith Putnam CO Li
RouteCounty Highway 2072
CountyPutnam County
StateTennessee
Coordinates36.1545, -85.79335
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length32 ft (9.9 m)
Longest span8 ft (2.4 m)
Deck width50 ft (15.3 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic333 (2021)
Projected traffic533 by 2042
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 2072 (sa 7103) over Rock Springs Branch built?

It was built in 1960, making it 65 years old in 2025.

What condition is Nfa 2072 (sa 7103) over Rock Springs Branch 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 August 2024.

How much traffic does Nfa 2072 (sa 7103) over Rock Springs Branch carry?

About 333 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 2072 (sa 7103) over Rock Springs Branch?

The structure is 32 ft (9.9 m) long with a longest span of 8 ft (2.4 m) and a deck 50 ft wide.

Who owns Nfa 2072 (sa 7103) over Rock Springs Branch?

It is owned by the County Highway Agency.