US Bridges

Nfa A125 over Port Royal RD / SR 396

Fair

Maury County, Tennessee · Port Royal RD in Columbia · Structure no. 60SR3960007

Built
1989
36 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
222 ft
2 main spans
Daily traffic
20,495
2021 count
Owner
State
State Highway Agency

About this bridge

Nfa A125 over Port Royal RD / SR 396 is a steel continuous stringer/multi-beam or girder carrying Nfa A125 over Port Royal RD / SR 396 in Maury County, Tennessee. It was built in 1989, so it is 36 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 20,495 vehicles a day, roughly 3% of them trucks, projected to reach 22,864 by 2040. The structure is 222 ft (67.7 m) long and 112 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesNfa A125
CrossesPort Royal RD / SR 396
LocationPort Royal RD in Columbia
RouteCity Street 125
Coordinates35.73407, -86.89402
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.7 US tons
Inventory rating23.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length222 ft (67.7 m)
Longest span110 ft (33.5 m)
Deck width112 ft (34.1 m)
Roadway width110 ft (33.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,495 (2021)
Projected traffic22,864 by 2040
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.8 mi (11 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$5.6 million (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nfa A125 over Port Royal RD / SR 396 built?

It was built in 1989, making it 36 years old in 2025.

What condition is Nfa A125 over Port Royal RD / SR 396 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 March 2024.

How much traffic does Nfa A125 over Port Royal RD / SR 396 carry?

About 20,495 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa A125 over Port Royal RD / SR 396?

The structure is 222 ft (67.7 m) long with a longest span of 110 ft (33.5 m) and a deck 112 ft wide.

Who owns Nfa A125 over Port Royal RD / SR 396?

It is owned by the State Highway Agency.