US Bridges

Nfa 1233 (sa 5419) over Rocky Branch

Fair

McMinn County, Tennessee · North of SR39 · Structure no. 54012330011

Built
1950
75 years old, rebuilt 1999
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
723
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1233 (sa 5419) over Rocky Branch is a steel stringer/multi-beam or girder carrying Nfa 1233 (sa 5419) over Rocky Branch in McMinn County, Tennessee. It was built in 1950 and reconstructed in 1999, 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 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 723 vehicles a day, roughly 3% of them trucks, projected to reach 1,582 by 2041. The structure is 30 ft (9.1 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa 1233 (sa 5419)
CrossesRocky Branch
LocationNorth of SR39
RouteCounty Highway 1233
CountyMcMinn County
StateTennessee
Coordinates35.43926, -84.49158
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
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 alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span27 ft (8.1 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic723 (2021)
Projected traffic1,582 by 2041
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1233 (sa 5419) over Rocky Branch built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1999.

What condition is Nfa 1233 (sa 5419) over Rocky Branch 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 July 2023.

How much traffic does Nfa 1233 (sa 5419) over Rocky Branch carry?

About 723 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1233 (sa 5419) over Rocky Branch?

The structure is 30 ft (9.1 m) long with a longest span of 27 ft (8.1 m) and a deck 27 ft wide.

Who owns Nfa 1233 (sa 5419) over Rocky Branch?

It is owned by the County Highway Agency.