US Bridges

Nfa 2179 (sa 8909) over Charles Creek

Fair

Warren County, Tennessee · 5MI North of US 70S · Structure no. 89021790003

Built
1985
40 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
91 ft
3 main spans
Daily traffic
858
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 2179 (sa 8909) over Charles Creek is a prestressed concrete continuous box beam or girders - single or spread carrying Nfa 2179 (sa 8909) over Charles Creek in Warren County, Tennessee. It was built in 1985, so it is 40 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 858 vehicles a day, roughly 3% of them trucks, projected to reach 1,373 by 2042. The structure is 91 ft (27.7 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesNfa 2179 (sa 8909)
CrossesCharles Creek
Location5MI North of US 70S
RouteCounty Highway 2179
CountyWarren County
StateTennessee
Coordinates35.74866, -85.86565
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating64.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length91 ft (27.7 m)
Longest span29 ft (8.8 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic858 (2021)
Projected traffic1,373 by 2042
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 2179 (sa 8909) over Charles Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is Nfa 2179 (sa 8909) over Charles 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 April 2023.

How much traffic does Nfa 2179 (sa 8909) over Charles Creek carry?

About 858 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 2179 (sa 8909) over Charles Creek?

The structure is 91 ft (27.7 m) long with a longest span of 29 ft (8.8 m) and a deck 26 ft wide.

Who owns Nfa 2179 (sa 8909) over Charles Creek?

It is owned by the County Highway Agency.