US Bridges

Nfa A786 over Terrell Ext. / SR-22

Fair

Weakley County, Tennessee · Near Martin · Structure no. 92SR0220057

Built
1991
34 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
220 ft
2 main spans
Daily traffic
250
2020 count
Owner
State
State Highway Agency

About this bridge

Nfa A786 over Terrell Ext. / SR-22 is a prestressed concrete continuous box beam or girders - single or spread carrying Nfa A786 over Terrell Ext. / SR-22 in Weakley County, Tennessee. It was built in 1991, so it is 34 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 250 vehicles a day, roughly 7% of them trucks, projected to reach 400 by 2040. The structure is 220 ft (67.1 m) long and 42 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNfa A786
CrossesTerrell Ext. / SR-22
LocationNear Martin
RouteCounty Highway 786
Coordinates36.38372, -88.93858
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.3 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length220 ft (67.1 m)
Longest span110 ft (33.5 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2020)
Projected traffic400 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nfa A786 over Terrell Ext. / SR-22 built?

It was built in 1991, making it 34 years old in 2025.

What condition is Nfa A786 over Terrell Ext. / SR-22 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 September 2024.

How much traffic does Nfa A786 over Terrell Ext. / SR-22 carry?

About 250 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is Nfa A786 over Terrell Ext. / SR-22?

The structure is 220 ft (67.1 m) long with a longest span of 110 ft (33.5 m) and a deck 42 ft wide.

Who owns Nfa A786 over Terrell Ext. / SR-22?

It is owned by the State Highway Agency.