US Bridges

Nfa 1781 (sa 4203) over Long Branch

Good

Houston County, Tennessee · 5 M SW of Erin · Structure no. 42S63650001

Built
1979
46 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
85 ft
1 main span
Daily traffic
668
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1781 (sa 4203) over Long Branch is a prestressed concrete stringer/multi-beam or girder carrying Nfa 1781 (sa 4203) over Long Branch in Houston County, Tennessee. It was built in 1979, so it is 46 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 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 668 vehicles a day, roughly 3% of them trucks, projected to reach 909 by 2042. The structure is 85 ft (25.9 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa 1781 (sa 4203)
CrossesLong Branch
Location5 M SW of Erin
RouteCounty Highway 1781
Coordinates36.2545, -87.7724
Functional classRural Minor Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than 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 alignment6: Equal to present minimum criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length85 ft (25.9 m)
Longest span82 ft (25 m)
Deck width28 ft (8.6 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic668 (2021)
Projected traffic909 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 1781 (sa 4203) over Long Branch built?

It was built in 1979, making it 46 years old in 2025.

What condition is Nfa 1781 (sa 4203) over Long 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 February 2024.

How much traffic does Nfa 1781 (sa 4203) over Long Branch carry?

About 668 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1781 (sa 4203) over Long Branch?

The structure is 85 ft (25.9 m) long with a longest span of 82 ft (25 m) and a deck 28 ft wide.

Who owns Nfa 1781 (sa 4203) over Long Branch?

It is owned by the County Highway Agency.