US Bridges

Nfa A250 over Big Creek

Fair

Tipton County, Tennessee · 1 MI N of Shelby Co. · Structure no. 840A2500001

Built
1984
41 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
127 ft
3 main spans
Daily traffic
540
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A250 over Big Creek is a prestressed concrete stringer/multi-beam or girder carrying Nfa A250 over Big Creek in Tipton County, Tennessee. It was built in 1984, so it is 41 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 540 vehicles a day, roughly 2% of them trucks, projected to reach 864 by 2042. The structure is 127 ft (38.7 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNfa A250
CrossesBig Creek
Location1 MI N of Shelby Co.
RouteCounty Highway 250
Coordinates35.40225, -89.81641
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.7 US tons
Inventory rating24.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length127 ft (38.7 m)
Longest span43 ft (13.1 m)
Deck width26 ft (7.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic540 (2020)
Projected traffic864 by 2042
Trucks2%
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 statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$314,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A250 over Big Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is Nfa A250 over Big Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2024.

How much traffic does Nfa A250 over Big Creek carry?

About 540 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A250 over Big Creek?

The structure is 127 ft (38.7 m) long with a longest span of 43 ft (13.1 m) and a deck 26 ft wide.

Who owns Nfa A250 over Big Creek?

It is owned by the County Highway Agency.