US Bridges

Nfa 1235 (sa 6202) over Big Creek

Fair

Monroe County, Tennessee · Sink Rd-N of Tellico Plns · Structure no. 62F00110003

Built
1920
105 years old
Condition
Fair
inspected July 2024
Type
Culvert
Steel
Length
23 ft
2 main spans
Daily traffic
342
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1235 (sa 6202) over Big Creek is a steel culvert carrying Nfa 1235 (sa 6202) over Big Creek in Monroe County, Tennessee. It was built in 1920, so it is 105 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 342 vehicles a day, roughly 3% of them trucks, projected to reach 547 by 2042. The structure is 23 ft (6.9 m) long and 23 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesNfa 1235 (sa 6202)
CrossesBig Creek
LocationSink Rd-N of Tellico Plns
RouteCounty Highway 1235
Coordinates35.45548, -84.27274
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadH 10
Structure length23 ft (6.9 m)
Longest span11 ft (3.4 m)
Deck width23 ft (7 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic342 (2021)
Projected traffic547 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$175,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1235 (sa 6202) over Big Creek built?

It was built in 1920, making it 105 years old in 2025.

What condition is Nfa 1235 (sa 6202) over Big 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 2024.

How much traffic does Nfa 1235 (sa 6202) over Big Creek carry?

About 342 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1235 (sa 6202) over Big Creek?

The structure is 23 ft (6.9 m) long with a longest span of 11 ft (3.4 m) and a deck 23 ft wide.

Who owns Nfa 1235 (sa 6202) over Big Creek?

It is owned by the County Highway Agency.