US Bridges

Nfa 2185 (sa 8801) over Rocky River

Fair

Van Buren County, Tennessee · 2MI from Warren CO Line · Structure no. 88021850013

Built
1950
75 years old, rebuilt 1990
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
157 ft
3 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 stringer/multi-beam or girder carrying Nfa 2185 (sa 8801) over Rocky River in Van Buren County, Tennessee. It was built in 1950 and reconstructed in 1990, so it is 75 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 262 vehicles a day, roughly 3% of them trucks, projected to reach 496 by 2041. The structure is 157 ft (47.8 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 Warren CO Line
RouteCounty Highway 2185
CountyVan Buren County
StateTennessee
Coordinates35.70093, -85.5777
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.
Superstructure8 Very GoodNo problems noted.
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 inspectionOctober 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 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 rating60.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length157 ft (47.8 m)
Longest span52 ft (15.9 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 statusNot eligible for the National Register of Historic Places
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 1950, making it 75 years old in 2025. It was reconstructed in 1990.

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 157 ft (47.8 m) long with a longest span of 52 ft (15.9 m) and a deck 26 ft wide.

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

It is owned by the County Highway Agency.