US Bridges

Nfa 2516 (sa 4527) over Carter Creek

PoorPosted for load

Jefferson County, Tennessee · S of I81 near White Pine · Structure no. 45025160001

Built
1918
107 years old
Condition
Poor
inspected May 2023
Type
Tee Beam
Concrete
Length
23 ft
1 main span
Daily traffic
414
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 2516 (sa 4527) over Carter Creek is a concrete tee beam carrying Nfa 2516 (sa 4527) over Carter Creek in Jefferson County, Tennessee. It was built in 1918, so it is 107 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 414 vehicles a day, roughly 3% of them trucks, projected to reach 720 by 2041. The structure is 23 ft (7.1 m) long and 18 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesNfa 2516 (sa 4527)
CrossesCarter Creek
LocationS of I81 near White Pine
RouteCounty Highway 2516
Coordinates36.11802, -83.31498
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length23 ft (7.1 m)
Longest span21 ft (6.4 m)
Deck width18 ft (5.6 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic414 (2021)
Projected traffic720 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$442,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 2516 (sa 4527) over Carter Creek built?

It was built in 1918, making it 107 years old in 2025.

What condition is Nfa 2516 (sa 4527) over Carter Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2023.

How much traffic does Nfa 2516 (sa 4527) over Carter Creek carry?

About 414 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 2516 (sa 4527) over Carter Creek?

The structure is 23 ft (7.1 m) long with a longest span of 21 ft (6.4 m) and a deck 18 ft wide.

Who owns Nfa 2516 (sa 4527) over Carter Creek?

It is owned by the County Highway Agency.