US Bridges

Nfa 2143 over Nfa 2143 / SR145

Fair

Cannon County, Tennessee · 3 MI N. of Woodburg Tn. · Structure no. 08SR1450015

Built
1988
37 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
453 ft
4 main spans
Daily traffic
401
2021 count
Owner
State
State Highway Agency

About this bridge

Nfa 2143 over Nfa 2143 / SR145 is a steel continuous stringer/multi-beam or girder carrying Nfa 2143 over Nfa 2143 / SR145 in Cannon County, Tennessee. It was built in 1988, so it is 37 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 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 401 vehicles a day, roughly 3% of them trucks, projected to reach 757 by 2041. The structure is 453 ft (138 m) long and 24 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesNfa 2143
CrossesNfa 2143 / SR145
Location3 MI N. of Woodburg Tn.
RouteCounty Highway 2143
CountyCannon County
StateTennessee
Coordinates35.87201, -86.0972
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length453 ft (138 m)
Longest span125 ft (38.1 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic401 (2021)
Projected traffic757 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1.4 million (2021 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nfa 2143 over Nfa 2143 / SR145 built?

It was built in 1988, making it 37 years old in 2025.

What condition is Nfa 2143 over Nfa 2143 / SR145 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 January 2025.

How much traffic does Nfa 2143 over Nfa 2143 / SR145 carry?

About 401 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 2143 over Nfa 2143 / SR145?

The structure is 453 ft (138 m) long with a longest span of 125 ft (38.1 m) and a deck 24 ft wide.

Who owns Nfa 2143 over Nfa 2143 / SR145?

It is owned by the State Highway Agency.