US Bridges

Nfa A004 over Clover Creek

FairPosted for load

Chester County, Tennessee · 1.3 MI NW JCT SR100&SR125 · Structure no. 120A0040001

Built
1965
60 years old
Condition
Fair
inspected June 2023
Type
Channel Beam
Concrete
Length
51 ft
3 main spans
Daily traffic
70
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A004 over Clover Creek is a concrete channel beam carrying Nfa A004 over Clover Creek in Chester County, Tennessee. It was built in 1965, so it is 60 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 70 vehicles a day, roughly 6% of them trucks, projected to reach 112 by 2041. The structure is 51 ft (15.5 m) long and 22 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesNfa A004
CrossesClover Creek
Location1.3 MI NW JCT SR100&SR125
RouteCounty Highway 4
CountyChester County
StateTennessee
Coordinates35.40217, -88.82017
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating31.7 US tons
Inventory rating15 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 10
Structure length51 ft (15.5 m)
Longest span17 ft (5.2 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2020)
Projected traffic112 by 2041
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 A004 over Clover Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Nfa A004 over Clover 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 June 2023.

How much traffic does Nfa A004 over Clover Creek carry?

About 70 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is Nfa A004 over Clover Creek?

The structure is 51 ft (15.5 m) long with a longest span of 17 ft (5.2 m) and a deck 22 ft wide.

Who owns Nfa A004 over Clover Creek?

It is owned by the County Highway Agency.