US Bridges

Nfa 1602 (sa 2728) over Old Riverbd S Fork Obion

Good

Gibson County, Tennessee · 2.5 MI NE JCT SR43&SR105 · Structure no. 27016020003

Built
2002
23 years old
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
120 ft
1 main span
Daily traffic
162
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1602 (sa 2728) over Old Riverbd S Fork Obion is a prestressed concrete box beam or girders - multiple carrying Nfa 1602 (sa 2728) over Old Riverbd S Fork Obion in Gibson County, Tennessee. It was built in 2002, so it is 23 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 162 vehicles a day, roughly 3% of them trucks, projected to reach 259 by 2042. The structure is 120 ft (36.6 m) long and 26 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesNfa 1602 (sa 2728)
CrossesOld Riverbd S Fork Obion
Location2.5 MI NE JCT SR43&SR105
RouteCounty Highway 1602
Coordinates36.0955, -88.74861
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span119 ft (36.3 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic162 (2021)
Projected traffic259 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1602 (sa 2728) over Old Riverbd S Fork Obion built?

It was built in 2002, making it 23 years old in 2025.

What condition is Nfa 1602 (sa 2728) over Old Riverbd S Fork Obion 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 July 2023.

How much traffic does Nfa 1602 (sa 2728) over Old Riverbd S Fork Obion carry?

About 162 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1602 (sa 2728) over Old Riverbd S Fork Obion?

The structure is 120 ft (36.6 m) long with a longest span of 119 ft (36.3 m) and a deck 26 ft wide.

Who owns Nfa 1602 (sa 2728) over Old Riverbd S Fork Obion?

It is owned by the County Highway Agency.