US Bridges

Nfa 2470 (sa 0707) over Norris Lake Cedar Creek

Fair

Campbell County, Tennessee · 5 M SE of SR9-SR63 JCT · Structure no. 07024700003

Built
1987
38 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
383 ft
3 main spans
Daily traffic
397
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 2470 (sa 0707) over Norris Lake Cedar Creek is a steel continuous stringer/multi-beam or girder carrying Nfa 2470 (sa 0707) over Norris Lake Cedar Creek in Campbell County, Tennessee. It was built in 1987, so it is 38 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 397 vehicles a day, roughly 3% of them trucks, projected to reach 635 by 2042. The structure is 383 ft (116.7 m) long and 26 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

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CarriesNfa 2470 (sa 0707)
CrossesNorris Lake Cedar Creek
Location5 M SE of SR9-SR63 JCT
RouteCounty Highway 2470
CountyCampbell County
StateTennessee
Coordinates36.36752, -84.03571
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length383 ft (116.7 m)
Longest span161 ft (49.1 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic397 (2021)
Projected traffic635 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 2470 (sa 0707) over Norris Lake Cedar Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is Nfa 2470 (sa 0707) over Norris Lake Cedar 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 May 2024.

How much traffic does Nfa 2470 (sa 0707) over Norris Lake Cedar Creek carry?

About 397 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 2470 (sa 0707) over Norris Lake Cedar Creek?

The structure is 383 ft (116.7 m) long with a longest span of 161 ft (49.1 m) and a deck 26 ft wide.

Who owns Nfa 2470 (sa 0707) over Norris Lake Cedar Creek?

It is owned by the County Highway Agency.