US Bridges

Nfa 1137(SA 8915) over Charles Creek

FairPosted for load

Warren County, Tennessee · 1MI East of SR56 · Structure no. 89021830003

Built
1957
68 years old
Condition
Fair
inspected May 2023
Type
Tee Beam
Concrete
Length
140 ft
3 main spans
Daily traffic
921
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1137(SA 8915) over Charles Creek is a concrete tee beam carrying Nfa 1137(SA 8915) over Charles Creek in Warren County, Tennessee. It was built in 1957, so it is 68 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. Its operating status is: posted for load restriction.

It carries about 921 vehicles a day, roughly 3% of them trucks, projected to reach 1,474 by 2042. The structure is 140 ft (42.6 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesNfa 1137(SA 8915)
CrossesCharles Creek
Location1MI East of SR56
RouteCounty Highway 1137
CountyWarren County
StateTennessee
Coordinates35.71667, -85.76765
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 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 spans3
Design loadH 15
Structure length140 ft (42.6 m)
Longest span47 ft (14.4 m)
Deck width25 ft (7.5 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic921 (2021)
Projected traffic1,474 by 2042
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$394,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1137(SA 8915) over Charles Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is Nfa 1137(SA 8915) 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 May 2023.

How much traffic does Nfa 1137(SA 8915) over Charles Creek carry?

About 921 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1137(SA 8915) over Charles Creek?

The structure is 140 ft (42.6 m) long with a longest span of 47 ft (14.4 m) and a deck 25 ft wide.

Who owns Nfa 1137(SA 8915) over Charles Creek?

It is owned by the County Highway Agency.