US Bridges

Nfa A161 over Br Rutherford Fork Obion

Good

Gibson County, Tennessee · 3.1 MI NE JCT SR5&SR77 · Structure no. 270A1610003

Built
2022
3 years old
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
70
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A161 over Br Rutherford Fork Obion is a prestressed concrete box beam or girders - single or spread carrying Nfa A161 over Br Rutherford Fork Obion in Gibson County, Tennessee. It was built in 2022, so it is 3 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 70 vehicles a day, roughly 2% of them trucks, projected to reach 112 by 2042. The structure is 60 ft (18.3 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesNfa A161
CrossesBr Rutherford Fork Obion
Location3.1 MI NE JCT SR5&SR77
RouteCounty Highway 161
CountyGibson County
StateTennessee
Coordinates36.07784, -88.94306
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 15
Structure length60 ft (18.3 m)
Longest span60 ft (18.3 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2020)
Projected traffic112 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$245,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A161 over Br Rutherford Fork Obion built?

It was built in 2022, making it 3 years old in 2025.

What condition is Nfa A161 over Br Rutherford 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 A161 over Br Rutherford Fork Obion carry?

About 70 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A161 over Br Rutherford Fork Obion?

The structure is 60 ft (18.3 m) long with a longest span of 60 ft (18.3 m) and a deck 28 ft wide.

Who owns Nfa A161 over Br Rutherford Fork Obion?

It is owned by the County Highway Agency.