US Bridges

Nfa 2557 (sa 8601) over Rice Creek

Fair

Unicoi County, Tennessee · Just SW of Flag Pond · Structure no. 86S25310003

Built
1960
65 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete Continuous
Length
55 ft
3 main spans
Daily traffic
215
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 2557 (sa 8601) over Rice Creek is a concrete continuous culvert carrying Nfa 2557 (sa 8601) over Rice Creek in Unicoi County, Tennessee. It was built in 1960, so it is 65 years old, older 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 215 vehicles a day, roughly 3% of them trucks, projected to reach 352 by 2040. The structure is 55 ft (16.9 m) long and 60 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa 2557 (sa 8601)
CrossesRice Creek
LocationJust SW of Flag Pond
RouteCounty Highway 2557
Coordinates36.009, -82.56202
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating31.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length55 ft (16.9 m)
Longest span17 ft (5.2 m)
Deck width60 ft (18.2 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic215 (2021)
Projected traffic352 by 2040
Trucks3%
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 2557 (sa 8601) over Rice Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Nfa 2557 (sa 8601) over Rice 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 July 2024.

How much traffic does Nfa 2557 (sa 8601) over Rice Creek carry?

About 215 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 2557 (sa 8601) over Rice Creek?

The structure is 55 ft (16.9 m) long with a longest span of 17 ft (5.2 m) and a deck 60 ft wide.

Who owns Nfa 2557 (sa 8601) over Rice Creek?

It is owned by the County Highway Agency.