US Bridges

Nfa A309 over Campground Spring Creek

Good

Tipton County, Tennessee · 3.5 MI N of Shelby Co. · Structure no. 840A3090001

Built
1984
41 years old
Condition
Good
inspected February 2024
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
310
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A309 over Campground Spring Creek is a concrete continuous culvert carrying Nfa A309 over Campground Spring 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 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 310 vehicles a day, roughly 2% of them trucks, projected to reach 496 by 2042. The structure is 26 ft (8 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesNfa A309
CrossesCampground Spring Creek
Location3.5 MI N of Shelby Co.
RouteCounty Highway 309
CountyTipton County
StateTennessee
Coordinates35.42539, -89.88422
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length26 ft (8 m)
Longest span12 ft (3.7 m)
Deck width26 ft (7.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic310 (2020)
Projected traffic496 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$74,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A309 over Campground Spring Creek built?

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

What condition is Nfa A309 over Campground Spring 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 February 2024.

How much traffic does Nfa A309 over Campground Spring Creek carry?

About 310 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A309 over Campground Spring Creek?

The structure is 26 ft (8 m) long with a longest span of 12 ft (3.7 m) and a deck 26 ft wide.

Who owns Nfa A309 over Campground Spring Creek?

It is owned by the County Highway Agency.