US Bridges

Nfa 1688 (sa 1221) over Little White Oak Creek

Good

Chester County, Tennessee · 4.7 MI SE JCT SR22A&SR100 · Structure no. 12016880001

Built
1984
41 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete Continuous
Length
20 ft
2 main spans
Daily traffic
56
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1688 (sa 1221) over Little White Oak Creek is a concrete continuous culvert carrying Nfa 1688 (sa 1221) over Little White Oak Creek in Chester 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 56 vehicles a day, roughly 2% of them trucks, projected to reach 99 by 2041. The structure is 20 ft (6.2 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa 1688 (sa 1221)
CrossesLittle White Oak Creek
Location4.7 MI SE JCT SR22A&SR100
RouteCounty Highway 1688
Coordinates35.44167, -88.44634
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJune 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

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length20 ft (6.2 m)
Longest span10 ft (3 m)
Deck width27 ft (8.2 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic56 (2021)
Projected traffic99 by 2041
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 1688 (sa 1221) over Little White Oak Creek built?

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

What condition is Nfa 1688 (sa 1221) over Little White Oak 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 June 2023.

How much traffic does Nfa 1688 (sa 1221) over Little White Oak Creek carry?

About 56 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is Nfa 1688 (sa 1221) over Little White Oak Creek?

The structure is 20 ft (6.2 m) long with a longest span of 10 ft (3 m) and a deck 27 ft wide.

Who owns Nfa 1688 (sa 1221) over Little White Oak Creek?

It is owned by the County Highway Agency.