US Bridges

Nfa 2185 (sa 8801) over Rocky River

Fair

Van Buren County, Tennessee · 2MI from Warre CO Line · Structure no. 88021850009

Built
1991
34 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
93 ft
2 main spans
Daily traffic
262
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 2185 (sa 8801) over Rocky River is a prestressed concrete continuous box beam or girders - single or spread carrying Nfa 2185 (sa 8801) over Rocky River in Van Buren County, Tennessee. It was built in 1991, so it is 34 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 262 vehicles a day, roughly 3% of them trucks, projected to reach 496 by 2041. The structure is 93 ft (28.2 m) long and 26 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

Location

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CarriesNfa 2185 (sa 8801)
CrossesRocky River
Location2MI from Warre CO Line
RouteCounty Highway 2185
CountyVan Buren County
StateTennessee
Coordinates35.66387, -85.58113
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 protection7 GoodSome minor problems.
Last inspectionOctober 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length93 ft (28.2 m)
Longest span46 ft (14.1 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic262 (2021)
Projected traffic496 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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 2185 (sa 8801) over Rocky River built?

It was built in 1991, making it 34 years old in 2025.

What condition is Nfa 2185 (sa 8801) over Rocky River 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 October 2024.

How much traffic does Nfa 2185 (sa 8801) over Rocky River carry?

About 262 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 2185 (sa 8801) over Rocky River?

The structure is 93 ft (28.2 m) long with a longest span of 46 ft (14.1 m) and a deck 26 ft wide.

Who owns Nfa 2185 (sa 8801) over Rocky River?

It is owned by the County Highway Agency.