US Bridges

Nfa 1233 over Oostanaula Creek

Fair

McMinn County, Tennessee · 6 MI East of SR2 · Structure no. 54012330005

Built
1965
60 years old, rebuilt 1997
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
46 ft
1 main span
Daily traffic
562
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1233 over Oostanaula Creek is a steel stringer/multi-beam or girder carrying Nfa 1233 over Oostanaula Creek in McMinn County, Tennessee. It was built in 1965 and reconstructed in 1997, so it is 60 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 562 vehicles a day, roughly 3% of them trucks, projected to reach 899 by 2042. The structure is 46 ft (14 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa 1233
CrossesOostanaula Creek
Location6 MI East of SR2
RouteCounty Highway 1233
CountyMcMinn County
StateTennessee
Coordinates35.48704, -84.52476
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 alignment6: Equal to present minimum criteria
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 loadHS 20
Structure length46 ft (14 m)
Longest span42 ft (12.8 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic562 (2021)
Projected traffic899 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1233 over Oostanaula Creek built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1997.

What condition is Nfa 1233 over Oostanaula 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 July 2023.

How much traffic does Nfa 1233 over Oostanaula Creek carry?

About 562 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1233 over Oostanaula Creek?

The structure is 46 ft (14 m) long with a longest span of 42 ft (12.8 m) and a deck 24 ft wide.

Who owns Nfa 1233 over Oostanaula Creek?

It is owned by the County Highway Agency.