US Bridges

Nfa A142 over Red River

Good

Robertson County, Tennessee · 3.6 MI NW JCT SR52&I65 · Structure no. 740A1420001

Built
2020
5 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
160 ft
3 main spans
Daily traffic
640
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A142 over Red River is a prestressed concrete continuous stringer/multi-beam or girder carrying Nfa A142 over Red River in Robertson County, Tennessee. It was built in 2020, so it is 5 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 640 vehicles a day, roughly 2% of them trucks, projected to reach 1,024 by 2042. The structure is 160 ft (48.8 m) long and 28 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesNfa A142
CrossesRed River
Location3.6 MI NW JCT SR52&I65
RouteCounty Highway 0A142
Coordinates36.62417, -86.65213
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length160 ft (48.8 m)
Longest span70 ft (21.3 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic640 (2020)
Projected traffic1,024 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 A142 over Red River built?

It was built in 2020, making it 5 years old in 2025.

What condition is Nfa A142 over Red River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.

How much traffic does Nfa A142 over Red River carry?

About 640 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A142 over Red River?

The structure is 160 ft (48.8 m) long with a longest span of 70 ft (21.3 m) and a deck 28 ft wide.

Who owns Nfa A142 over Red River?

It is owned by the County Highway Agency.