US Bridges

Nfa A175 over Dry Creek

FairPosted for load

Warren County, Tennessee · Center Hill Area · Structure no. 890B1850003

Built
1945
80 years old, rebuilt 1992
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
34 ft
1 main span
Daily traffic
540
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A175 over Dry Creek is a steel stringer/multi-beam or girder carrying Nfa A175 over Dry Creek in Warren County, Tennessee. It was built in 1945 and reconstructed in 1992, so it is 80 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 540 vehicles a day, roughly 4% of them trucks, projected to reach 864 by 2042. The structure is 34 ft (10.4 m) long and 14 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesNfa A175
CrossesDry Creek
LocationCenter Hill Area
RouteCounty Highway 175
CountyWarren County
StateTennessee
Coordinates35.56643, -85.65947
Functional classRural 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation2: Basically intolerable, requiring high priority of replacement
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 alignment8: Equal to present desirable criteria
Operating rating13.9 US tons
Inventory rating10.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span34 ft (10.4 m)
Deck width14 ft (4.3 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic540 (2020)
Projected traffic864 by 2042
Trucks4%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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$559,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A175 over Dry Creek built?

It was built in 1945, making it 80 years old in 2025. It was reconstructed in 1992.

What condition is Nfa A175 over Dry 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 A175 over Dry Creek carry?

About 540 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Nfa A175 over Dry Creek?

The structure is 34 ft (10.4 m) long with a longest span of 34 ft (10.4 m) and a deck 14 ft wide.

Who owns Nfa A175 over Dry Creek?

It is owned by the County Highway Agency.