US Bridges

Nfa A722 over Cain Creek

FairPosted for load

Gibson County, Tennessee · 4.8 MI N JCT SR5&SR152 · Structure no. 270A7220001

Built
1970
55 years old
Condition
Fair
inspected July 2023
Type
Channel Beam
Concrete
Length
58 ft
3 main spans
Daily traffic
790
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A722 over Cain Creek is a concrete channel beam carrying Nfa A722 over Cain Creek in Gibson County, Tennessee. It was built in 1970, so it is 55 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. Its operating status is: posted for load restriction.

It carries about 790 vehicles a day, roughly 2% of them trucks, projected to reach 1,264 by 2041. The structure is 58 ft (17.7 m) long and 22 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa A722
CrossesCain Creek
Location4.8 MI N JCT SR5&SR152
RouteCounty Highway 722
CountyGibson County
StateTennessee
Coordinates35.89556, -88.92702
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.3 US tons
Inventory rating26.5 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length58 ft (17.7 m)
Longest span19 ft (5.8 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic790 (2020)
Projected traffic1,264 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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$751,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A722 over Cain Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Nfa A722 over Cain 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 A722 over Cain Creek carry?

About 790 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A722 over Cain Creek?

The structure is 58 ft (17.7 m) long with a longest span of 19 ft (5.8 m) and a deck 22 ft wide.

Who owns Nfa A722 over Cain Creek?

It is owned by the County Highway Agency.