US Bridges

Nfa A774 over Branch

Good

Obion County, Tennessee · W. of Union City · Structure no. 660A7440001

Built
1975
50 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
42 ft
1 main span
Daily traffic
360
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A774 over Branch is a prestressed concrete stringer/multi-beam or girder carrying Nfa A774 over Branch in Obion County, Tennessee. It was built in 1975, so it is 50 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 360 vehicles a day, roughly 4% of them trucks, projected to reach 576 by 2041. The structure is 42 ft (12.8 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesNfa A774
CrossesBranch
LocationW. of Union City
RouteCounty Highway 744
CountyObion County
StateTennessee
Coordinates36.46181, -89.13631
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 15
Structure length42 ft (12.8 m)
Longest span42 ft (12.8 m)
Deck width25 ft (7.5 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic360 (2020)
Projected traffic576 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$121,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A774 over Branch built?

It was built in 1975, making it 50 years old in 2025.

What condition is Nfa A774 over Branch 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 March 2023.

How much traffic does Nfa A774 over Branch carry?

About 360 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Nfa A774 over Branch?

The structure is 42 ft (12.8 m) long with a longest span of 42 ft (12.8 m) and a deck 25 ft wide.

Who owns Nfa A774 over Branch?

It is owned by the County Highway Agency.