US Bridges

Nfa A061 over Cool Springs Branch

FairPosted for load

Gibson County, Tennessee · 3.1 MI E JCT SR105&SR77 · Structure no. 270A0610001

Built
1984
41 years old, rebuilt 2001
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
36 ft
2 main spans
Daily traffic
10
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A061 over Cool Springs Branch is a steel continuous stringer/multi-beam or girder carrying Nfa A061 over Cool Springs Branch in Gibson County, Tennessee. It was built in 1984 and reconstructed in 2001, so it is 41 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. Its operating status is: posted for load restriction.

It carries about 10 vehicles a day, roughly 2% of them trucks, projected to reach 16 by 2042. The structure is 36 ft (11 m) long and 23 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNfa A061
CrossesCool Springs Branch
Location3.1 MI E JCT SR105&SR77
RouteCounty Highway 61
CountyGibson County
StateTennessee
Coordinates36.15369, -89.1015
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating22.5 US tons
Inventory rating16.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckWood or timber
Main spans2
Design loadH 15
Structure length36 ft (11 m)
Longest span19 ft (5.9 m)
Deck width23 ft (7 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2020)
Projected traffic16 by 2042
Trucks2%
Lanes on structure2
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 statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$235,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A061 over Cool Springs Branch built?

It was built in 1984, making it 41 years old in 2025. It was reconstructed in 2001.

What condition is Nfa A061 over Cool 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 July 2023.

How much traffic does Nfa A061 over Cool Springs Branch carry?

About 10 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A061 over Cool Springs Branch?

The structure is 36 ft (11 m) long with a longest span of 19 ft (5.9 m) and a deck 23 ft wide.

Who owns Nfa A061 over Cool Springs Branch?

It is owned by the County Highway Agency.