US Bridges

Nfa C145 over Beaver Creek

Fair

Knox County, Tennessee · 1.7 M SW of SR162-SR62 Jc · Structure no. 470C1450001

Built
1967
58 years old
Condition
Fair
inspected May 2024
Type
Channel Beam
Concrete
Length
150 ft
6 main spans
Daily traffic
180
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa C145 over Beaver Creek is a concrete channel beam carrying Nfa C145 over Beaver Creek in Knox County, Tennessee. It was built in 1967, so it is 58 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 5 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 180 vehicles a day, roughly 2% of them trucks, projected to reach 288 by 2040. The structure is 150 ft (45.7 m) long and 20 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesNfa C145
CrossesBeaver Creek
Location1.7 M SW of SR162-SR62 Jc
RouteCounty Highway 145
Coordinates35.95638, -84.19038
Functional classUrban Local

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans6
Design loadUnknown
Structure length150 ft (45.7 m)
Longest span23 ft (7 m)
Deck width20 ft (6.1 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic180 (2020)
Projected traffic288 by 2040
Trucks2%
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$496,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa C145 over Beaver Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is Nfa C145 over Beaver 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 C145 over Beaver Creek carry?

About 180 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa C145 over Beaver Creek?

The structure is 150 ft (45.7 m) long with a longest span of 23 ft (7 m) and a deck 20 ft wide.

Who owns Nfa C145 over Beaver Creek?

It is owned by the County Highway Agency.