US Bridges

Nfa A046 over Mud Creek

Good

Gibson County, Tennessee · 3.2 MI NW JCT SR5&SR77 · Structure no. 270A0460001

Built
2007
18 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
80 ft
1 main span
Daily traffic
20
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A046 over Mud Creek is a prestressed concrete stringer/multi-beam or girder carrying Nfa A046 over Mud Creek in Gibson County, Tennessee. It was built in 2007, so it is 18 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 20 vehicles a day, roughly 2% of them trucks, projected to reach 32 by 2042. The structure is 80 ft (24.4 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa A046
CrossesMud Creek
Location3.2 MI NW JCT SR5&SR77
RouteCounty Highway 46
Coordinates36.089, -89.05133
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 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 evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span75 ft (22.8 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2020)
Projected traffic32 by 2042
Trucks2%
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 A046 over Mud Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is Nfa A046 over Mud Creek 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 A046 over Mud Creek carry?

About 20 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A046 over Mud Creek?

The structure is 80 ft (24.4 m) long with a longest span of 75 ft (22.8 m) and a deck 25 ft wide.

Who owns Nfa A046 over Mud Creek?

It is owned by the County Highway Agency.